| Player History |
| 05/02/1961 | Pitches a 5-hit shutout against the New York Yankees with 2 strikeouts and 3 BB allowed! |
| 06/07/1961 | Injured (mild abdominal strain), day-to-day for 1 day. |
| 07/03/1961 | Was selected to the 1961 Major League Baseball All-Star Game. |
| 09/03/1961 | Injured (strained hamstring), out for 3 weeks. |
| 10/30/1961 | Received a 1-year contract worth a total of $190,000 through arbitration. |
| 01/01/1962 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 9 (9); Control: 6 (8). |
| 07/04/1962 | Injured (strained shoulder), out for 7-8 weeks. |
| 08/20/1962 | Suffered setback in recovery from injury, will miss another one week. |
| 11/02/1962 | Received a 1-year contract worth a total of $180,000 through arbitration. |
| 01/01/1963 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 8 (8); Control: 6 (7). |
| 05/01/1963 | Wins the MLB AL Pitcher of the Month Award. |
| 07/01/1963 | Was selected to the 1963 Major League Baseball All-Star Game. |
| 10/31/1963 | Received a 1-year contract worth a total of $204,000 through arbitration. |
| 01/01/1964 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 8 (8); Control: 7 (7). |
| 04/29/1964 | Signed a 3-year contract extension worth a total of $825,000 with the Minnesota Twins organization. |
| 05/25/1964 | Was traded by the Minnesota Twins to the Chicago Cubs, along with SS Z. Versalles, $100,000, in exchange for CF B. Tuttle, CL F. Jenkins. |
| 06/04/1964 | Pitches a 5-hit shutout against the St. Louis Cardinals with 5 strikeouts and 0 BB allowed! |
| 08/02/1964 | Injured (mild shoulder strain), out for one week. |
| 01/01/1965 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 7 (7). |
| 05/01/1965 | Pitches a 4-hit shutout against the Houston Astros with 5 strikeouts and 3 BB allowed! |
| 01/01/1966 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 7 (7). |
| 10/01/1966 | Wins the MLB NL Pitcher of the Month Award. |
| 10/13/1966 | Won the 1966 Major League Baseball World Series with the Chicago Cubs! |
| 12/16/1966 | Signed a 4-year contract extension worth a total of $1,621,200 with the Chicago Cubs organization. |
| 01/01/1967 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 7 (7). |
| 01/01/1968 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 7 (7). |
| 08/01/1968 | Wins the MLB NL Pitcher of the Month Award. |
| 01/01/1969 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 7 (7). |
| 01/01/1970 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 7 (7). |
| 05/20/1970 | Suspended 10 games after ejection following a brawl. |
| 05/31/1970 | Suspended 3 games after ejection following a brawl. |
| 09/22/1970 | Injured (broken bone in elbow), out for 6 months. |
| 10/23/1970 | Wins the 1970 MLB NL Cy Young Award. |
| 12/06/1970 | Signed a 3-year contract extension worth a total of $1,149,078 with the Chicago Cubs organization. |
| 01/01/1971 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 7 (7). |
| 01/01/1972 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 6 (6). |
| 07/31/1972 | Was traded by the Chicago Cubs to the California Angels, along with RF C. Cedeno, in exchange for LF J. Pepitone, RF B. Buckner. |
| 09/23/1972 | Pitches a 4-hit shutout against the Minnesota Twins with 2 strikeouts and 1 BB allowed! |
| 01/01/1973 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 6 (6). |
| 01/04/1973 | Signed a 3-year contract extension worth a total of $1,260,000 with the California Angels organization. |
| 01/01/1974 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 9 (9); Control: 6 (6). |
| 10/03/1974 | Released by the California Angels. |
| 01/01/1975 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 9 (9); Control: 6 (6). |
| 01/01/1976 | OSA scouting updated ratings (potential): Stuff: 2 (3); Movement: 8 (8); Control: 6 (6). |
| 01/01/1977 | OSA scouting updated ratings (potential): Stuff: 2 (3); Movement: 8 (8); Control: 6 (6). |