| 10/10/1933 |
Signed with the Washington Senators. |
| 01/01/1934 |
OSA scouting updated ratings (potential): Stuff: 40 (40); Movement: 45 (45); Control: 40 (45). |
| 01/01/1934 |
OSA scouting updated ratings (potential): Stuff: 40 (40); Movement: 45 (45); Control: 40 (45). |
| 01/01/1935 |
OSA scouting updated ratings (potential): Stuff: 50 (55); Movement: 45 (50); Control: 45 (55). |
| 01/01/1935 |
OSA scouting updated ratings (potential): Stuff: 50 (55); Movement: 45 (50); Control: 45 (55). |
| 01/01/1936 |
OSA scouting updated ratings (potential): Stuff: 65 (65); Movement: 45 (50); Control: 55 (55). |
| 01/01/1936 |
OSA scouting updated ratings (potential): Stuff: 65 (65); Movement: 45 (50); Control: 55 (55). |
| 07/01/1936 |
Wins the MLB AL Rookie of the Month Award. |
| 10/21/1936 |
Was traded by the Washington Senators to the Chicago Cubs in exchange for 2B Dutch Meyer and RP Hugh Casey. |
| 01/01/1937 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1937 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 10/15/1937 |
Wins the 1937 World Series with the Chicago Cubs. |
| 01/01/1938 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1938 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 10/11/1938 |
Wins the 1938 World Series with the Chicago Cubs. |
| 01/01/1939 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1939 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1940 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1940 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1941 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1941 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1942 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1942 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 10/19/1942 |
Finished 2nd in 1942 MLB NL Reliever of the Year Award voting. |
| 01/01/1943 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1943 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1944 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1944 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1945 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1945 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1946 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1946 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1947 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1947 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1948 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1948 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1949 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1949 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1950 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1950 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1951 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 01/01/1951 |
OSA scouting updated ratings (potential): Stuff: 55 (55); Movement: 50 (50); Control: 55 (55). |
| 10/12/1951 |
Retired from professional baseball. |