| 01/15/2022 |
Signed by the Chicago Cubs as a free agent. |
| 03/14/2025 |
Named the #80 prospect in the MLB |
| 04/04/2025 |
South Bend Cubs placed SS Jefferson Rojas on the 7-day injured list. [Auto] |
| 04/15/2025 |
South Bend Cubs activated SS Jefferson Rojas from the 7-day injured list. [Auto] |
| 07/18/2025 |
SS Jefferson Rojas assigned to Knoxville Smokies from South Bend Cubs. [Auto] |
| 07/18/2025 |
Knoxville Smokies activated SS Jefferson Rojas. [Auto] |
| 11/02/2025 |
Named the #34 prospect in the MLB |
| 01/01/2026 |
OSA scouting updated ratings (potential): Contact: 45 (65); Power: 40 (50); Eye: 40 (50). |
| 03/24/2026 |
Named the #40 prospect in the MLB |
| 03/24/2026 |
Unsuccessfully completed training to improve his infield defense at the Chicago Cubs development complex. |
| 06/29/2026 |
Named the #27 prospect in the MLB |
| 08/12/2026 |
Injured on 08/10/2026, diagnosed with an elbow sprain, is day-to-day. |
| 09/13/2026 |
Injured (herniated disc (back)),out for one week. |
| 11/28/2026 |
Received a 1-year contract through automatic renewal worth a total of $740,000. |
| 01/01/2027 |
OSA scouting updated ratings (potential): Contact: 50 (65); Power: 45 (50); Eye: 40 (45). |
| 08/31/2027 |
Injured on 08/29/2027, diagnosed with a knee sprain, is day-to-day. |
| 11/30/2027 |
Received a 1-year contract through automatic renewal worth a total of $740,000. |
| 01/01/2028 |
OSA scouting updated ratings (potential): Contact: 55 (65); Power: 50 (50); Eye: 45 (45). |
| 05/30/2028 |
Injured (sore back),day-to-day for one week. |
| 06/07/2028 |
Injured on 06/03/2028, diagnosed with an oblique strain, will miss 2-3 weeks. |
| 07/26/2028 |
Injured (sore back),day-to-day for 5 days. |
| 11/26/2028 |
Received a 1-year contract through automatic renewal worth a total of $740,000. |
| 01/01/2029 |
OSA scouting updated ratings (potential): Contact: 60 (60); Power: 50 (50); Eye: 45 (45). |
| 03/02/2029 |
Injured on 03/01/2029, diagnosed with shoulder tendinitis, is day-to-day. |
| 05/07/2029 |
Injured (patellar tendinitis),out for 2 weeks. |
| 08/07/2029 |
Suspended 2 games after ejection following arguing a strike call. |
| 09/27/2029 |
Signed a 5-year contract extension worth a total of $51,760,000 with the Chicago Cubs organization. |
| 01/01/2030 |
OSA scouting updated ratings (potential): Contact: 55 (55); Power: 50 (50); Eye: 45 (45). |
| 07/13/2030 |
Injured (back spasms),day-to-day for 5 days. |
| 09/11/2030 |
Injured (oblique strain),out for one week. |
| 01/01/2031 |
OSA scouting updated ratings (potential): Contact: 55 (55); Power: 50 (50); Eye: 45 (45). |
| 03/19/2031 |
Injured (sore knee),day-to-day for 4 days. |
| 01/01/2032 |
OSA scouting updated ratings (potential): Contact: 50 (55); Power: 50 (50); Eye: 40 (45). |
| 06/15/2032 |
Injured (sprained ankle),day-to-day for 4 days. |
| 07/18/2032 |
Was selected to the 2032 Major League Baseball All-Star Game. |
| 10/14/2032 |
Wins the 2032 MLB NL Division Series MVP Award. |
| 10/25/2032 |
Wins the 2032 MLB NL League Championship Series MVP Award. |
| 11/01/2032 |
Wins the 2032 World Series with the Chicago Cubs. |
| 01/01/2033 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 50 (50); Eye: 40 (40). |
| 05/26/2033 |
Injured (bruised knee),day-to-day for 4 days. |
| 06/19/2033 |
Hits three home runs against the Pittsburgh Pirates, going 3-5 with 6 RBI and 3 runs scored! |
| 09/19/2033 |
Injured on 09/18/2033, diagnosed with a sore thumb, will not miss additional time. |
| 01/01/2034 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 50 (50); Eye: 40 (40). |
| 11/11/2034 |
Became a free agent. |
| 01/01/2035 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 50 (50); Eye: 45 (45). |
| 01/01/2036 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 45 (45); Eye: 45 (45). |