| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 12 | 6 | 0 | 0 | 159.0 | 133 | 27 | 146 | 58 | 3.28 | 1.006 | 58.5 |
| 2026 | 1 | 1 | 0 | 0 | 22.0 | 12 | 5 | 31 | 6 | 2.45 | 0.773 | 83.8 |
| 2025 | 9 | 8 | 0 | 0 | 144.7 | 117 | 26 | 117 | 60 | 3.73 | 0.988 | 48.1 |
| 2024 | 15 | 3 | 0 | 0 | 173.3 | 149 | 28 | 174 | 56 | 2.91 | 1.021 | 92.3 |
| Date | News |
| 4/10/26 | MLB parlay: Cubs positioned to win first Friday matinee of season with Shota Imanaga taking on Pirates. The Pirates visit the Cubs at Wrigley Field in Friday's lone MLB afternoon game, and Matt Severance has a same-game parlay Source: https://www.cbssports.com/betting/news/mlb-parlay-... |
| 11/23/25 | MLB rumors: Giants have interest in NPB ace, Cubs still plan to add pitching after Shota Imanaga's return. Here are Sunday's biggest MLB rumors Source: https://www.cbssports.com/mlb/news/mlb-rumors-free... |
| 11/18/25 | Shota Imanaga, Trent Grisham among record four players to accept 2025 qualifying offer; nine others decline. The four players will return to their teams on a one-year, $22.205 million deal for 2026 Source: https://www.cbssports.com/mlb/news/mlb-qualifying-... |
| 11/04/25 | Shota Imanaga free agency: What those surprising contract decisions might tell us about this MLB offseason. The Cubs and Imanaga each declined their options on a complicated contract, sending the pitcher onto the market Source: https://www.cbssports.com/mlb/news/shota-imanaga-f... |
| 11/04/25 | Sources: Cubs lefty Imanaga set to be free agent. The Cubs and Shota Imanaga both rejected their contract options, making the left-hander a free agent. Source: https://www.espn.com/mlb/story/_/id/46846254/sourc... |
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