| 01/01/1935 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 01/01/1936 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 12/08/1936 | Round 10, Pick 8 - Montreal Saints: CF Len SmileyDrafted in the 1936 first-year player draft (Round 10, Pick 9, 153rd overall pick) by the St. Louis Pioneers, out of high school Havana (Havana; Havana, AR). |
| 01/01/1937 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 01/01/1938 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 09/05/1938 | Pitches a 8-hit shutout against the Arlington Patriots with 3 strikeouts and 4 BB allowed! |
| 01/01/1939 | OSA scouting updated ratings (potential): Contact: - (-); Power: - (-); Eye: - (-). |
| 06/29/1939 | Pitches a 7-hit shutout against the Ottumwa Owls with 2 strikeouts and 0 BB allowed! |
| 01/01/1940 | OSA scouting updated ratings (potential): Contact: - (-); Power: - (-); Eye: - (-). |
| 01/01/1941 | OSA scouting updated ratings (potential): Contact: - (-); Power: - (-); Eye: - (-). |
| 06/30/1941 | Released by the St. Louis organization. |
| 07/06/1941 | Signed a minor league contract with majors option with the Pueblo Mountaineers organization. |
| 07/13/1941 | Released by the Pueblo Mountaineers. |
| 07/16/1941 | Signed a minor league contract ($360 bonus) with the Chicago Cougars organization. |
| 09/15/1941 | Wins the 1941 Championship with the San Jose Cougars! |
| 01/01/1942 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 01/01/1943 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 01/01/1944 | OSA scouting updated ratings (potential): Stuff: - (-); Movement: - (-); Control: - (-). |
| 07/03/1944 | Released by the Chicago organization. |
| 10/12/1944 | Signed a minor league contract with majors option with the El Paso Missions organization. |
| 10/12/1944 | Released by the El Paso Missions. |
| 10/14/1944 | Retired from professional baseball. |