| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 11 | 8 | 0 | 0 | 146.0 | 132 | 31 | 114 | 61 | 3.76 | 1.121 | 38.8 |
| 2026 | 2 | 5 | 0 | 0 | 77.7 | 77 | 31 | 69 | 51 | 5.91 | 1.391 | -15.8 |
| 2025 | 11 | 7 | 0 | 0 | 129.7 | 110 | 27 | 98 | 53 | 3.68 | 1.057 | 46.4 |
| 2024 | 12 | 8 | 0 | 0 | 165.3 | 154 | 33 | 125 | 60 | 3.27 | 1.131 | 65.7 |
| Date | News |
| 9/06/26 | Taillon back on IL; Jays seek 2nd opinion on elbow. Blue Jays right-hander Jameson Taillon went on the 15-day injured list with right elbow inflammation Saturday, one day after he was pulled after two innings against the Royals and sent for an MRI. Source: https://www.espn.com/mlb/story/_/id/49840558/taill... |
| 9/05/26 | Blue Jays' Taillon leaves with elbow discomfort. Blue Jays starter Jameson Taillon left Friday night's game against the Royals after two innings due to right elbow discomfort. Source: https://www.espn.com/mlb/story/_/id/49831366/james... |
| 9/05/26 | Blue Jays' Taillon leaves with elbow discomfort. Blue Jays starter Jameson Taillon left Friday night's game against Kansas City after two innings due to right elbow discomfort. Source: https://www.espn.com/mlb/story/_/id/49831366/james... |
| 8/11/26 | New Jays RHP Taillon to have MRI on forearm. Jameson Taillon left his first home start in Toronto after four scoreless innings against Boston on Monday night because of right forearm discomfort. Source: https://www.espn.com/mlb/story/_/id/49578464/new-b... |
| 8/11/26 | New Jays RHP Taillon to have MRI on forearm. Jameson Taillon left his first home start in Toronto after four scoreless innings against Boston on Monday night because of right forearm discomfort. Source: https://www.espn.com/mlb/story/_/id/49578464/new-b... |
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