Paul Sewald

Paul Sewald

35-Year-Old PitcherRP
Arizona Diamondbacks
2026 Fantasy Outlook
Sewald was limited to just 19.2 innings in 2025 due to a moderate teres major strain in his right shoulder. The veteran right-hander returned in late September, but finished with a mere 4.58 ERA and 20:6 K:BB between Cleveland and Detroit. Sewald, who turns 36 in May, recently signed a one-year, $1.5 million deal with Arizona where he figures to be in the mix to close. With 86 career saves, he certainly brings ninth-inning experience that the D'Backs bullpen had been lacking. Sewald previously served as the team's closer as recently as the 2024 campaign, but it's not clear how much he has left in the tank, especially after last year's shoulder injury. Given the state of Arizona's bullpen, he's likely to wind up with at least some save opportunities. Read Past Outlooks
RANKS
From Preseason
#384
ADP
Signed a one-year, $1.5 million contract with the Diamondbacks in February of 2026.
Adds velo
PArizona Diamondbacks
March 1, 2026
Sewald allowed one run on one hit and struck out one over one inning in Saturday's spring game against the Angels.
Analysis
Sewald showed improved velocity in his Cactus League debut, which came in the fourth inning against some of the Angels expected starters. The 35-year-old reliever averaged 92 mph on the eight fastballs he threw, a couple of ticks up from the 90 mph he averaged in 2025 and more in line with the velocity he showed in a previous stint with the Diamondbacks. Sewald credited the improved velo to the work he put in at Driveline over the offseason, Alex Weiner of Arizona Sports reports. With Arizona having no set closer at this point in spring training, Sewald is in the mix for save opportunities along with Kevin Ginkel and Ryan Thompson.
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Pitching Stats
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2025 MLB Game Log
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2024
2023
2022
2021
2020
2019
2018
2017
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2024 MLB Game Log
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2023 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
14
Last 10 Games
15
Last 5 Games
19
How many pitches does Paul Sewald generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Paul Sewald generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2023
 
 
-14%
BAA vs RHP
2025
 
 
-22%
BAA vs RHP
2024
 
 
-31%
BAA vs RHP
2023
 
 
-6%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .240 233 71 27 49 9 0 10
Since 2023vs Right .207 262 72 13 50 15 0 8
2025vs Left .278 41 11 4 10 1 0 2
2025vs Right .216 40 9 2 8 2 0 2
2024vs Left .281 72 21 8 18 8 0 2
2024vs Right .195 93 22 2 17 5 0 4
2023vs Left .202 120 39 15 21 0 0 6
2023vs Right .214 129 41 9 25 8 0 2
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Home/Away Pitching Splits
Since 2023
 
 
-27%
ERA at Home
2025
 
 
-21%
ERA on Road
2024
 
 
-46%
ERA at Home
2023
 
 
-21%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 3.20 0.88 64.2 3 0 27 11.4 2.6 1.1
Since 2023Away 4.39 1.48 55.1 2 5 25 9.9 3.4 1.6
2025Home 5.19 1.04 8.2 1 0 0 10.4 2.1 2.1
2025Away 4.09 1.36 11.0 0 1 2 8.2 3.3 1.6
2024Home 3.05 0.73 20.2 0 0 9 9.6 2.2 1.3
2024Away 5.68 1.58 19.0 1 2 7 9.9 2.4 1.4
2023Home 2.80 0.93 35.1 2 0 18 12.7 3.1 0.8
2023Away 3.55 1.46 25.1 1 2 16 10.7 4.3 1.8
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Stat Review
How does Paul Sewald compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
3.33
 
K/9
9.2
 
BB/9
2.7
 
HR/9
1.8
 
Fastball
90.5 mph
 
ERA
4.58
 
WHIP
1.22
 
BABIP
.283
 
GB/FB
0.22
 
Left On Base
70.7%
 
Exit Velocity
81.7 mph
 
Barrels/BBE
8.5%
 
Spin Rate
2513 rpm
 
Balls Hit 95+ MPH
22.6%
 
Swinging Strike
11.0%
 
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Paul Sewald See More
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Past Fantasy Outlooks
2025
2024
2023
2022
2020
2019
2018
Sewald didn't make his season debut until May due to an oblique injury, but was outstanding upon his return, racking up 11 consecutive saves with a 0.54 ERA and 0.48 WHIP across his first 16.2 innings. However, the right-hander blew three consecutive save chances to open July and finished the month with a 10.80 ERA, which was enough for D'Backs manager Torey Lovullo to demote him from the closer role. Ultimately, the 2025 free-agent was unable to reclaim closing duties due to inconsistent performance and a neck injury that ended his season prematurely. After accumulating 81 saves over the past four seasons, Sewald will likely get the opportunity to compete for closing duties with whomever he signs. With a 400-plus ADP in early 2025 drafts, he's a solid CL3 target with 20-plus save upside. Once he signs, his draft stock will either rise or fall depending on the context of his team's bullpen.
Sewald finally got the opportunity to be a primary closer in 2023 thanks to his consistent performance in high leverage over the past few seasons. He racked up a career-high 34 saves -- 21 with Seattle, plus another 13 after his trade to Arizona -- good for seventh in the majors. His team save share with both the Mariners and D'Backs was above 80%, which combined would have ranked fourth overall among closers. Combine this with perennially solid ratios and strikeout rate near 30% and Sewald is right on the brink of being a top-10 closer. Realistically, he'll settle in the 11-15 range among closers for 2024 drafts, but there's comfort in knowing what to expect from Sewald. The 33-year-old gave up more contact last season, but his hard-hit rate and average exit velocity were both in the 94th percentile or better. Sewald shouldn't have much competition for saves for the defending National League champions as along as he puts his World Series struggles behind him.
Sewald built on his 2021 breakout season to lead Seattle with a career high 20 saves last year. This represented 50% of the team's overall save total (40), which is unusually high for a club that deploys a closer committee. The 32-year-old boasted a career-best 0.77 WHIP that was fifth-best among qualified relievers. However, Sewald's home run problem (1.4 HR/9) persisted thanks to an extreme flyball rate. This also resulted in an unsustainably low .158 BABIP. While Sewald averaged a career-best 92.5 mph on his 4-seamer, he threw his slider at the highest rate of his career, nearly 50% of the time. Both pitches were effective, but his strikeout rate plummeted to 29.8%, a nearly 10 percent difference from 2021. It will be interesting to see how the Mariners manage the back-end of their bullpen moving forward. As a team on the rise, it's possible they give more save chances to Andres Munoz, who recently signed a long-term deal and was the league's breakout reliever last year.
After four uninspiring seasons with the Mets, Sewald had a breakout year with the Mariners. He failed to make Seattle's Opening Day roster, but the right-hander impressed after his mid-May promotion to become part of Scott Servais' three-headed closer committee. Home runs were a concern (1.4 HR/9), but Sewald was extremely valuable in high-leverage, going 10-3 with 11 saves, 16 holds and excellent ratios. Both his 39.4% strikeout rate and 30.3% K-BB% ranked fifth among qualified relievers. Prior to 2021, Sewald hadn't posted a strikeout rate above 27.5%. So what changed? He began throwing from a lower arm slot, which affected the location of his fastball and angle at which it crossed home plate. This resulted in a 33% whiff percentage on the pitch after previously topping out at 21.1%. Seattle's bullpen is stacked, but Sewald should continue to receive a decent share of save chances in the committee.
Sewald uses a cross-fire delivery and lower arm slot to throw a fastball that can't stay straight along with a tight slider to generate more strikeouts than one would expect from a pitcher with pedestrian fastball velocity. He struck out 74 batters in 70.2 innings of work between Triple-A and the majors last year, most of which came while pitching in the minors. He has struck out 24.5% of the hitters he has faced in a major-league career that spans 141.1 innings, and his 16.8 K-BB% is good for a middle reliever. The issue here is he doesn't have enough stuff to close, but he does have a spot in a major-league bullpen as long as he can command his stuff. He is an extreme flyball pitcher, so homers are always going to be part of the package.
Sewald's ERA jumped from 4.55 all the way up to an ugly 6.07. He was demoted on two separate occasions, but the struggling Mets nevertheless needed to call on him for 56.1 innings over the course of the season. His performance dipped across the board, with his strikeout rate (22.9%) and walk rate (9.1%) both went in the wrong direction from his rookie season. Those numbers definitely aren't impressive, though they're more in line with a below-average reliever than a terrible one, so his ballooning ERA can be attributed in part to a .331 BABIP and a 62.8% strand rate, both of which are likely to regress this season. Even with that regression, however, Sewald is unlikely to have much value, as a non-closing reliever with a mediocre strikeout rate doesn't offer much to excite fantasy owners.
Selected in the 10th round of the 2012 draft, Sewald successfully hurled his way through the lower levels of the minor leagues over the past several years, posting sub-2.00 ERAs in both Single-A and Double-A ball. The 6-foot-3 righty -- whose fastball sits in the low 90s -- opened the 2017 campaign with Triple-A Las Vegas but quickly received a big-league promotion one week into the season. The 27-year-old went on to log 65.1 innings of bullpen work, the most among any Mets reliever. He closed the year with a 4.55 ERA and 69:21 K:BB while being primarily utilized in a middle-relief role. He’ll be a key component in the Mets’ bullpen again in 2018 but doesn’t figure to move the needle much in the fantasy realm, as he’s unlikely to see many as many hold opportunities following the team’s offseason acquisition of Anthony Swarzak.
More Fantasy News
In mix to close for Arizona
PArizona Diamondbacks
February 17, 2026
Diamondbacks manager Torey Lovullo listed Sewald, Kevin Ginkel and Ryan Thompson as candidates to emerge as the team's closer, Alex D'Agostino of SI.com reports.
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Grabs one-year deal from Arizona
PArizona Diamondbacks
February 12, 2026
The Diamondbacks signed Sewald to a one-year, $1.5 million contract Thursday, Nick Piecoro of The Arizona Republic reports.
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Next year's option declined
PFree Agent
November 6, 2025
The Tigers declined Sewald's $10 million mutual option for 2026 on Thursday, Evan Petzold of the Detroit Free Press reports.
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Returns from 60-day IL
PDetroit Tigers
September 18, 2025
The Tigers activated Sewald (shoulder) from the 60-day injured list Thursday.
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Could be nearing return
PDetroit Tigers
Shoulder
September 9, 2025
Sewald (shoulder), who has logged two scoreless innings during his rehab assignment with High-A West Michigan, could return from the injured list as soon as Wednesday, MLB.com reports.
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Latest Fantasy Rumors
Candidate to win closer role
PArizona Diamondbacks
February 17, 2026
Sewald was mentioned by manager Torey Lovullo as one of the candidates to open the 2026 season as the Diamondbacks' closer, according to Alex D'Agostino of SI.com.
Analysis
Lovullo wants to make a decision on who will be the team's closer before the start of the 2026 MLB season, and Sewald is reportedly in the mix alongside Kevin Ginkel and Ryan Thompson. Plus, A.J. Puk and Justin Martinez are out due to elbow injuries, but both should be in the mix for closing opportunities once they return. Sewald posted a 4.58 ERA and 20:6 K:BB between the Guardians and Tigers during an injury-shortened 2025 season.
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