| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 8 | 8 | 0 | 0 | 128.0 | 126 | 41 | 109 | 62 | 4.36 | 1.305 | 17.8 |
| 2025 | 4 | 5 | 0 | 0 | 64.3 | 71 | 23 | 56 | 41 | 5.74 | 1.461 | -7.0 |
| 2024 | 0 | 2 | 0 | 0 | 11.7 | 12 | 6 | 14 | 5 | 3.86 | 1.543 | 1.9 |
| Date | News |
| 9/18/25 | Kumar Rocker, Dylan Crews and more MLB rookies not living up to the hype, plus how they can turn it around. Despite strong credentials and a high draft pick, these rookies have yet to prove their value Source: https://www.cbssports.com/mlb/news/kumar-rocker-dy... |
| 9/18/25 | Kumar Rocker, Dylan Crews and more MLB rookies not living up to the hype, plus how they can turn it around. Despite strong credentials and a high draft pick, these rookies have yet to prove their value Source: https://www.cbssports.com/mlb/news/kumar-rocker-dy... |
| 7/31/25 | Mariners take on the Rangers in first of 4-game series. Texas Rangers (57-52, third in the AL West) vs. Seattle Mariners (57-52, second in the AL West) Seattle; Thursday, 9:40 p.m. EDT PITCHING PROBABLES: Rangers: Kumar Rocker (4-4, 5.73 ERA, 1.44 WHIP, 53 strikeouts); Mariners: George Kirby (5-5, 4.50 ERA, 1.15 WHIP, 68 strikeouts) BETMGM SPORTSBOOK LINE: Mariners -161, Rangers +135; over/under is 7 1/2 runs BOTTOM LINE: The Seattle Mariners host the Texas Rangers to begin a four-game series. Seattle has a 57-52 record overall and a 28-24 record at home. Mariners hitters have a collective .320 on-base percentage, the fifth-ranked percentage in the AL. Texas has a 23-32 record in road games and a 57-52 record overall. The Rangers have a 25-8 record Source: https://www.winnipegfreepress.com/sports/baseball/... |
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