| 01/01/1952 |
Joined the Team 20 Black Aces. |
| 01/01/1953 |
OSA scouting updated ratings (potential): Stuff: 20 (30); Movement: 35 (45); Control: 20 (25). |
| 03/01/1953 |
Successfully completed training to improve his secondary pitch at the Pohang Institute of Technology Black Aces development complex. |
| 03/08/1953 |
Injured (forearm soreness),day-to-day for 4 days. |
| 07/01/1953 |
Was not drafted and returned to college. |
| 01/01/1954 |
OSA scouting updated ratings (potential): Stuff: 25 (30); Movement: 30 (40); Control: 20 (20). |
| 03/01/1954 |
Unsuccessfully completed training to increase his pitch movement at the Pohang Institute of Technology Black Aces development complex. |
| 04/07/1954 |
Injured on 04/05/1954, diagnosed with a sore wrist, is day-to-day. |
| 04/12/1954 |
Injured (wrist soreness),day-to-day for 3 days. |
| 07/01/1954 |
Was not drafted and became a free agent. |
| 01/01/1955 |
OSA scouting updated ratings (potential): Stuff: 20 (25); Movement: 35 (45); Control: 20 (20). |