| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 7 | 7 | 0 | 0 | 127.0 | 111 | 36 | 114 | 59 | 4.16 | 1.158 | 23.6 |
| 2026 | 1 | 0 | 0 | 0 | 16.0 | 14 | 2 | 14 | 4 | 2.25 | 1.000 | 25.4 |
| 2025 | 4 | 6 | 0 | 0 | 90.3 | 93 | 34 | 74 | 57 | 5.68 | 1.406 | -11.0 |
| 2024 | 12 | 8 | 0 | 0 | 180.3 | 131 | 45 | 171 | 59 | 2.94 | 0.976 | 89.6 |
| 2023 | 8 | 7 | 0 | 0 | 131.3 | 124 | 26 | 119 | 63 | 4.32 | 1.142 | 26.3 |
| Date | News |
| 5/27/26 | [Sporting News] - Mariners piggyback plan with Bryce Miller and Luis Castillo gets interesting update. This plan for the Mariners is not going away just yet. Source: https://sportspyder.com/mlb/oakland-athletics/arti... |
| 5/26/26 | [Larry Brown Sports] - Luis Castillo had a dugout eruption after getting pulled from his start against the Athletics. Seattle Mariners pitcher Luis Castillo was not a happy man when he was pulled from Monday’s game against the Athletics at Sutter Health Park in Sacramento, Calif. Castillo knew he was part of the Mariners’ piggyback plan with Bryce Miller, but he still didn’t seem to like being pulled amid a solid start against the … The post appeared first on . Source: https://sportspyder.com/mlb/oakland-athletics/arti... |
| 5/18/26 | Seattle Mariners move Luis Castillo to bullpen to piggyback Bryce Miller. Bryce Miller will make his second start of the season for the Mariners on Tuesday against the White Sox, meaning erstwhile ace Luis Castillo has been relegated to the bullpen for the first time in his career. Source: https://www.seattletimes.com/sports/mariners/seatt... |
| 5/12/26 | Bryce Miller set for season debut as Mariners begin 6-man rotation experiment. Bryce Miller will make his season debut Wednesday against the Astros, which also begins the Mariners’ experiment with a six-man starting staff. Source: https://www.seattletimes.com/sports/mariners/bryce... |
| 5/09/26 | Mariners announce rotation plan with Bryce Miller set to return. Bryce Miller will make his season debut next week in Houston, leaving the Mariners with two options with six healthy starting pitchers on the roster. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 5/07/26 | MLB 2026 Buzz: Bryce Miller Set to Return to Mariners Rotation. Notable news, notes and buzz from MLB's 2026 season. Source: https://www.foxsports.com/stories/mlb/mlb-2026-buz... |
| 4/24/26 | Mariners’ Bryce Miller dominant in second rehab start | Notebook. Bryce Miller inched closer to his return to the Mariners rotation with three scoreless innings for High-A Everett on Friday night in his second rehab start. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 4/17/26 | Mariners’ Bryce Miller set to begin rehab assignment with Tacoma Rainiers. Bryce Miller was back in the Mariners clubhouse Friday afternoon in preparation for starting a rehab stint Saturday in Tacoma. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 3/17/26 | Mariners pitcher Bryce Miller gets back on the mound as injury rehab progresses. Bryce Miller took a big step in his recovery from an oblique injury, throwing a bullpen off the mound. Here's what's next for the Mariners starter. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 3/11/26 | Mariners’ Bryce Miller has setback in recovery from oblique injury. Mariners starter Bryce Miller cut short his first full bullpen session in the past three weeks Wednesday, and his status for opening day is in question. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 3/08/26 | Seattle Mariners’ Bryce Miller gives update on oblique injury | Notebook. Mariners starter Bryce Miller tossed 20 lower-intensity pitches in a bullpen session on Sunday and said "everything felt good" as he continues to recover from an oblique issue. Source: https://www.seattletimes.com/sports/mariners/seatt... |
| 3/04/26 | Mariners’ Bryce Miller (oblique) takes another step in recovery. Mariners pitcher Bryce Miller, who was shut down with mild discomfort in his oblique, "felt even better today" in his throwing session and hopes to return to the mound soon. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 2/28/26 | Mariners’ Bryce Miller dealt spring setback with oblique inflammation. Mariners pitcher Bryce Miller will miss his next scheduled spring start with left oblique inflammation, general manager Justin Hollander announced Saturday. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 2/20/26 | Mariners’ Bryce Miller avoided surgery and is feeling ‘really good’ at spring training. With no pain in his elbow and two improved breaking pitches, Bryce Miller is excited to pitch a full season and help the Mariners "go even further" this year. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 1/21/26 | Miller, Mariners meet halfway, avoid arbitration. Right-hander Bryce Miller and the Mariners avoided salary arbitration, agreeing to a one-year contract that includes a club option and guarantees $2,452,500. Source: https://www.espn.com/mlb/story/_/id/47674854/bryce... |
| 1/21/26 | Miller, Mariners meet halfway, avoid arbitration. Right-hander Bryce Miller and the Mariners avoided salary arbitration, agreeing to a one-year contract that includes a club option and guarantees $2,452,500. Source: https://www.espn.com/mlb/story/_/id/47674854/bryce... |
| 1/20/26 | Bryce Miller agrees to 1-year deal to avoid arbitration with Mariners. No content provided Source: https://www.mlb.com/news/bryce-miller-mariners-avo... |
| 10/30/25 | Mariners starting pitcher Bryce Miller won’t need surgery this offseason. Injuries plagued Mariners starting pitchers for much of the season, but the group is in good shape heading into their offseason routines. Source: https://www.seattletimes.com/sports/mariners/marin... |
| 10/16/25 | M's to start Miller in G5; Woo available in relief. Bryce Miller will start Game 5 of the American League Championship Series for the Seattle Mariners over 2025 All-Star Bryan Woo. Source: https://www.espn.com/mlb/story/_/id/46618670/marin... |
| 10/13/25 | Miller sets tone for 'resilient' Mariners in G1 win. The Mariners returned to the ALCS for the first time in 24 years Sunday, toppling the Blue Jays 3-1 in Game 1 behind Bryce Miller's six-inning gem on short rest, Cal Raleigh's tying home run and more timely hitting from Jorge Polanco. Source: https://www.espn.com/mlb/story/_/id/46578125/marin... |