| 06/06/2013 |
Drafted by the Philadelphia Phillies in the 12th round of the 2013 MLB June Amateur Draft from Cherry Creek HS (Greenwood Village, CO). |
| 06/09/2016 |
Drafted by the Minnesota Twins in the 3rd round (93rd) of the 2016 MLB June Amateur Draft from United States Air Force Academy (Colorado Springs, CO) |
| 04/15/2025 |
RHP Griffin Jax changed number to 42. [Auto] |
| 04/16/2025 |
RHP Griffin Jax changed number to 22. [Auto] |
| 07/31/2025 |
Minnesota Twins traded RHP Griffin Jax to Tampa Bay Rays for RHP Taj Bradley. [Auto] |
| 11/06/2025 |
Signed a 1-year contract extension worth a total of $6,600,000 with the Tampa Bay Rays organization. |
| 11/06/2025 |
Was traded by the Tampa Bay Rays to the New York Yankees in exchange for SP Ben Hess, SS George Lombard Jr., LF Brando Mayea, and SP Geoffrey Gilbert. |
| 01/01/2026 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 45 (45); Control: 65 (65). |
| 04/28/2026 |
Injured on 04/26/2026, diagnosed with a bone spur in his elbow, will miss 4-5 weeks. |
| 11/09/2026 |
Signed a 1-year contract extension worth a total of $9,300,000 with the New York Yankees organization. |
| 01/01/2027 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 45 (45); Control: 65 (65). |
| 02/22/2027 |
Signed a 3-year contract extension worth a total of $69,600,000 with the New York Yankees organization. |
| 06/24/2027 |
Injured (abdominal soreness),day-to-day for 2 days. |
| 01/01/2028 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 45 (45); Control: 60 (60). |
| 03/05/2028 |
Injured on 03/02/2028, diagnosed with a partially torn labrum, will miss 3-4 months. |
| 05/25/2028 |
Suffered setback in recovery from injury, requires surgery and will miss another 4 months. |
| 01/01/2029 |
OSA scouting updated ratings (potential): Stuff: 85 (85); Movement: 45 (45); Control: 60 (60). |
| 04/12/2029 |
Injured on 04/08/2029, diagnosed with a torn flexor tendon in his elbow, will miss 6 months. |
| 01/01/2030 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 45 (45); Control: 65 (65). |
| 02/26/2030 |
Injured (back tightness),day-to-day for 1 day. |
| 07/25/2030 |
Injured (back tightness),day-to-day for 3 days. |
| 10/04/2030 |
Signed a 2-year contract extension worth a total of $42,000,000 with the New York Yankees organization. |
| 11/11/2030 |
Finished 3rd in 2030 MLB AL Reliever of the Year voting. |
| 01/01/2031 |
OSA scouting updated ratings (potential): Stuff: 85 (85); Movement: 45 (45); Control: 65 (65). |
| 07/13/2031 |
Was selected to the 2031 Major League Baseball All-Star Game. |
| 10/29/2031 |
Has met the vesting criteria in his contract. |
| 11/07/2031 |
Wins the 2031 MLB AL Reliever of the Year. |
| 01/01/2032 |
OSA scouting updated ratings (potential): Stuff: 85 (85); Movement: 45 (45); Control: 65 (65). |
| 02/29/2032 |
Injured on 02/24/2032, diagnosed with an oblique strain, will miss 7-8 weeks. |
| 10/08/2032 |
Signed a 2-year contract extension worth a total of $42,000,000 with the New York Yankees organization. |
| 01/01/2033 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 45 (45); Control: 70 (70). |
| 06/18/2033 |
Injured on 06/16/2033, diagnosed with a sore shoulder, is day-to-day. |
| 07/06/2033 |
Was selected to the 2033 Major League Baseball All-Star Game. |
| 09/01/2033 |
Injured (back tightness),day-to-day for one week. |
| 10/20/2033 |
Has met the vesting criteria in his contract. |
| 10/29/2033 |
Wins the 2033 MLB AL Reliever of the Year. |
| 01/01/2034 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 45 (45); Control: 70 (70). |
| 02/15/2034 |
Successfully completed training to increase his pitch movement at the New York Yankees development complex. |
| 07/01/2034 |
Wins the MLB AL Pitcher of the Month Award. |
| 09/30/2034 |
Signed a 2-year contract extension worth a total of $44,400,000 with the New York Yankees organization. |
| 01/01/2035 |
OSA scouting updated ratings (potential): Stuff: 75 (75); Movement: 50 (50); Control: 65 (65). |
| 02/26/2035 |
Injured on 02/24/2035, diagnosed with a stiff back, will not miss additional time. |
| 03/02/2035 |
Injured (back spasms),day-to-day for 1 day. |
| 05/30/2035 |
Injured (strained back),day-to-day for 4 days. |
| 06/23/2035 |
Injured (back spasms),day-to-day for 5 days. |
| 07/04/2035 |
Was selected to the 2035 Major League Baseball All-Star Game. |
| 10/15/2035 |
Has met the vesting criteria in his contract. |
| 01/01/2036 |
OSA scouting updated ratings (potential): Stuff: 65 (65); Movement: 50 (50); Control: 65 (65). |