Overview
- Swanson disclosed his retirement in an Instagram post that reflected on a 12-year professional journey and expressed gratitude.
- The right-hander spent his MLB career with the Mariners and Blue Jays after being drafted by the Rangers in 2014 and included in the Carlos Beltran and James Paxton trades.
- He debuted with Seattle in 2019 and peaked in 2022 with a 1.68 ERA, a 34% strikeout rate, and elite underlying metrics.
- Toronto acquired him after that breakout; he delivered a 2.97 ERA over 69 appearances in 2023 before a decline in 2024 and injury-disrupted 2025.
- Career totals: 246 MLB games, a 4.20 ERA, and 281 strikeouts in 266 innings, with his final appearances coming before his late-June 2025 release.