| 10/01/2012 |
Wins the MLB NL Pitcher of the Month Award. |
| 11/02/2012 |
Was traded by the Cincinnati Reds to the Cleveland Indians, along with SP Bronson Arroyo, in exchange for 2B Jemile Weeks, SP Jonathan Arias. |
| 01/01/2013 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (60); Control: 45 (45). |
| 04/22/2013 |
Was traded by the Cleveland Indians to the Kansas City Royals in exchange for SP Kyle McPherson, C Cameron Gallagher, 3B António Morales. |
| 07/04/2013 |
Was traded by the Kansas City Royals to the Washington Nationals, along with MR Patrick Keating, $1,000,000, in exchange for CF Leandro Castro. |
| 12/05/2013 |
Was traded by the Washington Nationals to the Kansas City Royals, along with $3,000,000, in exchange for SP Dylan Bundy, LF Cedric Hunter, SP J.R. Graham. |
| 01/01/2014 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (60); Control: 45 (45). |
| 05/21/2014 |
Was traded by the Kansas City Royals to the Atlanta Braves in exchange for . |
| 07/15/2014 |
Was selected to the 2014 MLB Pro All-Star Game. |
| 11/20/2014 |
Received a 1-year contract worth a total of $4,250,000 through arbitration. |
| 01/01/2015 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (65); Control: 45 (45). |
| 03/10/2015 |
Injured (strained back), day-to-day for 4 days. |
| 03/21/2015 |
Injured on 03/19/2015, diagnosed with a ruptured finger tendon, will miss 4 months. |
| 07/31/2015 |
Was traded by the Atlanta Braves to the Pittsburgh Pirates in exchange for CF James Baldwin, CL Donnie Caldwell, SP Claudio Santos. |
| 11/13/2015 |
Signed a 1-year contract extension worth a total of $5,000,000 with the Pittsburgh Pirates organization. |
| 01/01/2016 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (65); Control: 45 (45). |
| 03/19/2016 |
Injured (sore shoulder), out for 4 days. |
| 07/08/2016 |
Was traded by the Pittsburgh Pirates to the Los Angeles Angels in exchange for 1B Pedro Hernández, RP Dan Runzler, LF Michael Conforto. |
| 08/22/2016 |
Signed a 2-year contract extension worth a total of $13,675,000 with the Los Angeles Angels organization. |
| 11/02/2016 |
Wins the 2016 World Series with the Los Angeles Angels. |
| 01/01/2017 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (65); Control: 45 (45). |
| 07/06/2017 |
Was selected to the 2017 MLB Pro All-Star Game. |
| 01/01/2018 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (60); Control: 45 (45). |
| 10/28/2018 |
Wins the 2018 World Series with the Los Angeles Angels. |
| 11/13/2018 |
Became a free agent. |
| 12/19/2018 |
Signed a 3-year contract worth a total of $42,500,000 with the Washington Nationals organization. |
| 01/01/2019 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (60); Control: 45 (45). |
| 03/13/2019 |
Injured (Neck stiffness), day-to-day for 4 days. |
| 04/12/2019 |
Injured (Sprained ankle), day-to-day for 6 days. |
| 06/18/2019 |
Injured on 06/16/2019, diagnosed with a mild hamstring strain, is day-to-day. |
| 06/22/2019 |
Suffered setback in recovery from injury, will miss another 4 days. |
| 11/05/2019 |
Finished 2nd in 2019 MLB NL Reliever of the Year Award voting. |
| 12/11/2019 |
Was traded by the Washington Nationals to the Toronto Blue Jays, along with $4,000,000, in exchange for LF Jim White, LF Tyler Hill. |
| 01/01/2020 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (60); Control: 45 (45). |
| 07/11/2020 |
Was selected to the 2020 MLB Pro All-Star Game. |
| 09/05/2020 |
Injured on 09/03/2020, diagnosed with a sore hip, will not miss additional time. |
| 10/26/2020 |
Has met the vesting criteria in his contract. |
| 11/02/2020 |
Wins the 2020 MLB AL Reliever of the Year Award. |
| 11/27/2020 |
Signed a 3-year contract extension worth a total of $47,200,000 with the Toronto Blue Jays organization. |
| 01/01/2021 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (60); Control: 45 (45). |
| 02/26/2021 |
Injured on 02/25/2021, diagnosed with a stiff back, is day-to-day. |
| 05/07/2021 |
Injured (Back stiffness), day-to-day for one week. |
| 06/20/2021 |
Injured (Back stiffness), day-to-day for one week. |
| 01/01/2022 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (60); Control: 45 (45). |
| 07/15/2022 |
Was selected to the 2022 MLB Pro All-Star Game. |
| 07/28/2022 |
Injured on 07/26/2022, diagnosed with a sore shoulder, is day-to-day. |
| 01/01/2023 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 60 (60); Control: 45 (45). |
| 07/09/2023 |
Injured (sore back),day-to-day for 2 days. |
| 11/22/2023 |
Signed a 2-year contract extension worth a total of $23,200,000 with the Toronto Blue Jays organization. |
| 01/01/2024 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 65 (65); Control: 45 (45). |
| 07/13/2024 |
Was selected to the 2024 MLB Pro All-Star Game. |
| 11/08/2024 |
Wins the 2024 MLB AL Reliever of the Year Award. |
| 01/01/2025 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 65 (65); Control: 50 (50). |
| 03/03/2025 |
Injured (back stiffness),day-to-day for 5 days. |
| 04/11/2025 |
Injured on 04/10/2025, diagnosed with a sprained ankle, will miss 3 weeks. |
| 10/30/2025 |
Executed his contract year option. |