| 07/02/2019 |
Signed by the Milwaukee Brewers as an international free agent. |
| 03/14/2025 |
Named the #97 prospect in the MLB |
| 03/22/2025 |
C Jeferson Quero assigned to Biloxi Shuckers from Nashville Sounds. [Auto] |
| 03/31/2025 |
C Jeferson Quero assigned to Nashville Sounds from Biloxi Shuckers. [Auto] |
| 03/31/2025 |
Nashville Sounds placed C Jeferson Quero on the 7-day injured list. [Auto] |
| 05/12/2025 |
Nashville Sounds sent C Jeferson Quero on a rehab assignment to ACL Brewers. [Auto] |
| 06/03/2025 |
Nashville Sounds activated C Jeferson Quero from the 7-day injured list. [Auto] |
| 07/25/2025 |
Nashville Sounds placed C Jeferson Quero on the 7-day injured list. [Auto] |
| 11/01/2025 |
Wins the 2025 World Series with the Milwaukee Brewers. |
| 11/02/2025 |
Named the #88 prospect in the MLB |
| 11/25/2025 |
Received a 1-year contract through automatic renewal worth a total of $760,000. |
| 01/01/2026 |
OSA scouting updated ratings (potential): Contact: 45 (50); Power: 50 (55); Eye: 50 (55). |
| 03/24/2026 |
Named the #94 prospect in the MLB |
| 07/01/2026 |
Wins the MLB NL Rookie of the Month Award. |
| 07/29/2026 |
Injured (strained back),day-to-day for one week. |
| 11/16/2026 |
Wins the 2026 MLB NL Rookie of the Year Award. |
| 11/28/2026 |
Received a 1-year contract through automatic renewal worth a total of $760,000. |
| 01/01/2027 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 55 (55); Eye: 55 (60). |
| 10/22/2027 |
Injured (gout),out for 4 days. |
| 11/30/2027 |
Received a 1-year contract through automatic renewal worth a total of $760,000. |
| 01/01/2028 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 55 (55); Eye: 60 (60). |
| 10/03/2028 |
Signed a 8-year contract extension worth a total of $135,980,000 with the Milwaukee Brewers organization. |
| 11/02/2028 |
Wins the 2028 World Series with the Milwaukee Brewers. |
| 01/01/2029 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 55 (55); Eye: 60 (60). |
| 01/01/2030 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 55 (55). |
| 01/01/2031 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 55 (55). |
| 03/18/2031 |
Unsuccessfully completed training to learn a new position at the Milwaukee Brewers development complex. |
| 07/13/2031 |
Was selected to the 2031 Major League Baseball All-Star Game. |
| 09/11/2031 |
Injured on 09/07/2031, diagnosed with a strained posterior cruciate ligament, will miss 6 weeks. |
| 10/05/2031 |
Suffered setback in recovery from injury, will miss another 4-5 weeks. |
| 01/01/2032 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 55 (55). |
| 03/23/2032 |
Successfully completed training to learn a new position at the Milwaukee Brewers development complex. |
| 09/23/2032 |
Injured (flu-like symptoms),day-to-day for 1 day. |
| 01/01/2033 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 55 (55). |
| 05/27/2033 |
Injured (strained posterior cruciate ligament),out for 6 weeks. |
| 07/21/2033 |
Injured (hip flexor strain),day-to-day for 2-3 weeks. |
| 07/26/2033 |
Injured on 07/25/2033, diagnosed with a sore quad, will not miss additional time. |
| 08/03/2033 |
Suffered setback in recovery from injury, will miss another one week. |
| 08/07/2033 |
Injured (strained back),out for 2-3 weeks. |
| 09/16/2033 |
Injured (hip flexor strain),day-to-day for 1-2 weeks. |
| 01/01/2034 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 55 (55). |
| 08/02/2034 |
Injured (hamstring strain),out for 6-7 weeks. |
| 01/01/2035 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 45 (45); Eye: 55 (55). |
| 07/03/2035 |
Injured (intercostal strain),out for 5 days. |
| 10/23/2035 |
Wins the 2035 MLB NL Great Glove Award at C. |
| 01/01/2036 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 45 (45); Eye: 55 (55). |
| 02/14/2036 |
Unsuccessfully completed training to generate more batspeed and homerun power at the Milwaukee Brewers development complex. |
| 03/25/2036 |
Signed a 4-year contract extension worth a total of $48,400,000 with the Milwaukee Brewers organization. |
| 07/02/2036 |
Was selected to the 2036 Major League Baseball All-Star Game. |