| 07/10/2023 |
Drafted by the Los Angeles Angels in the 7th round of the 2023 MLB June Amateur Draft from Texas Christian University (Fort Worth, TX). |
| 05/20/2025 |
Rocket City Trash Pandas transferred 3B Cole Fontenelle to the Development List. [Auto] |
| 05/28/2025 |
Rocket City Trash Pandas activated 3B Cole Fontenelle. [Auto] |
| 06/17/2025 |
3B Cole Fontenelle assigned to Tri-City Dust Devils from Rocket City Trash Pandas. [Auto] |
| 09/24/2025 |
Wins the 2025 Northwest League Round 1 with the Tri-City Dust Devils! |
| 01/01/2026 |
OSA scouting updated ratings (potential): Contact: 45 (50); Power: 50 (50); Eye: 50 (50). |
| 06/22/2026 |
Wins the PCL Player of the Week Award. |
| 06/28/2026 |
Was selected to the 2026 Pacific Coast League All-Star Game. |
| 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: 45 (50); Power: 50 (50); Eye: 50 (55). |
| 05/26/2027 |
Injured (bruised thumb),day-to-day for one week. |
| 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: 50 (50); Power: 50 (50); Eye: 50 (55). |
| 08/08/2028 |
Injured (hand contusion),out for one week. |
| 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: 50 (50); Power: 50 (55); Eye: 50 (55). |
| 06/30/2029 |
Injured on 06/26/2029, diagnosed with a torn anterior cruciate ligament, will miss 9 months. |
| 11/03/2029 |
Was claimed off waivers by Seattle while with Los Angeles. |
| 11/22/2029 |
Received a 1-year contract through arbitration worth a total of $1,800,000. |
| 01/01/2030 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 50 (50); Eye: 50 (50). |
| 06/13/2030 |
Injured (bruised jaw),day-to-day for 3 days. |
| 09/02/2030 |
Wins the TL Player of the Week Award. |
| 11/06/2030 |
Signed a 1-year contract extension worth a total of $3,080,000 with the Seattle Mariners organization. |
| 01/01/2031 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 50 (50); Eye: 50 (50). |
| 06/08/2031 |
Designated for assignment and placed on waivers by the Seattle Mariners. |
| 07/06/2031 |
Was selected to the 2031 Texas League All-Star Game. |
| 11/19/2031 |
Received a 1-year contract through arbitration worth a total of $4,200,000. |
| 01/01/2032 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 50 (50); Eye: 50 (50). |
| 11/06/2032 |
Signed a 1-year contract extension worth a total of $5,300,000 with the Seattle Mariners organization. |
| 01/01/2033 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 50 (50). |
| 11/10/2033 |
Became a free agent. |
| 01/01/2034 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 50 (50). |
| 01/01/2035 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 50 (50). |
| 01/01/2036 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 50 (50); Eye: 50 (50). |
| 03/31/2036 |
Signed a minor league contract with majors option with the Baltimore Orioles organization. |