2025 Stats
W-L
0-0
ERA
0.00
WHIP
0.00
K
0
SV
0
Rest-of-Season Projections
2025 Fantasy Outlook
An older lefty who turned 26 this offseason and had Tommy John surgery in 2022, Seymour dominated Double-A and Triple-A hitters in 2024 to the tune of a 2.48 ERA, 0.95 WHIP and 162:41 K:BB in 145.1 innings. He actually made two starts at Triple-A late in 2021 just to keep pitching after the High-A season wrapped up. Seymour's fastball velocity isn't great (sits in the low-90s), but it's got good movement, and he's incredibly crafty. He's got a plus changeup and a quality cutter, and that might be enough to get by against big-league hitters if he can throw strikes and pitch with confidence. The Rays have a plethora of rotation options, but Seymour is on the 40-man roster and should be heard from at some point this season. Given his poor fastball velocity and relatively shallow repertoire, he'll have a small margin for error as a starter, and the Rays could opt to have him work as a bulk reliever initially. Read Past Outlooks

Dominating at Triple-A
Seymour has a 2.40 ERA, 1.07 WHIP and 23:3 K:BB in 15 innings across three starts for Triple-A Durham.
ANALYSIS
The only Triple-A pitcher with a higher swinging-strike rate than Seymour (19.4 percent) is Spencer Strider (22.6 percent), who was completing a rehab assignment. Seymour is a lefty with a deceptive three-quarters delivery and a knack for keeping hitters off balance by changing speeds and landing all of his pitches for strikes. His fastball has averaged 89.6 mph (touched 91.6 mph) and he has thrown his changeup as much or more than his fastball while mixing in his cutter and seldom-used curveball and sweeper. Seymour is already on the 40-man roster and could join the big-league rotation whenever there is a need.
The only Triple-A pitcher with a higher swinging-strike rate than Seymour (19.4 percent) is Spencer Strider (22.6 percent), who was completing a rehab assignment. Seymour is a lefty with a deceptive three-quarters delivery and a knack for keeping hitters off balance by changing speeds and landing all of his pitches for strikes. His fastball has averaged 89.6 mph (touched 91.6 mph) and he has thrown his changeup as much or more than his fastball while mixing in his cutter and seldom-used curveball and sweeper. Seymour is already on the 40-man roster and could join the big-league rotation whenever there is a need.
Pitching Stats
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Minor League Game Log

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Minor League Left/Right Pitching Splits (AAA)
Since 2023
-7%
BAA vs LHP
2025
-7%
BAA vs LHP
BAA | K | BB | H | HR | |
---|---|---|---|---|---|
Since 2023vs Left | .212 | 28 | 10 | 21 | 0 |
Since 2023vs Right | .228 | 70 | 16 | 45 | 11 |
2025vs Left | .233 | 9 | 2 | 7 | 0 |
2025vs Right | .250 | 26 | 5 | 16 | 4 |
2024vs Left | .203 | 19 | 8 | 14 | 0 |
2024vs Right | .218 | 44 | 11 | 29 | 7 |
2023vs Left | 0 | 0 | 0 | 0 | 0 |
2023vs Right | 0 | 0 | 0 | 0 | 0 |
Prospect Rankings History
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Defensive Stats
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Cut from big-league camp
The Rays optioned Seymour to minor-league camp Friday, Marc Topkin of the Tampa Bay Times reports.
ANALYSIS
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Depth option for Tampa Bay
Seymour completed two scoreless innings while striking out two and walking one in Wednesday's Grapefruit League game.
ANALYSIS
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Nabs 40-man roster spot
The Rays selected Seymour's contract from Triple-A Durham on Monday, Tricia Whitaker of Bally Sports Sun reports.
ANALYSIS
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Climbs to Triple-A
Seymour was promoted from Double-A Montgomery to Triple-A Durham on Tuesday and allowed two runs on seven hits and one walk while striking out three in five innings for the Bulls.
ANALYSIS
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Back in action
Seymour (elbow) allowed two hits and two walks while striking out two over 3.1 scoreless innings Thursday against Single-A Kannapolis. He didn't factor into the decision.
ANALYSIS
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