| Player History |
| 03/09/1966 | Drafted in the 1966 first-year player draft (Round 1, Pick 7, 7th overall Pick) by the Houston Astros. |
| 04/11/1966 | Named the #3 prospect in the MLB |
| 05/01/1966 | Wins the MLB NL Pitcher of the Month Award. |
| 07/22/1966 | Pitches a 5-hit shutout against the Pittsburgh Pirates with 6 strikeouts and 0 BB allowed! |
| 07/26/1966 | Pitches a 5-hit shutout against the New York Mets with 8 strikeouts and 1 BB allowed! |
| 08/01/1966 | Wins the MLB NL Pitcher of the Month Award. |
| 08/01/1966 | Wins the MLB NL Rookie of the Month Award. |
| 10/23/1966 | Wins the 1966 MLB NL Cy Young Award. |
| 10/23/1966 | Wins the 1966 MLB NL Rookie Of The Year. |
| 11/07/1966 | Received a 1-year contract worth a total of $26,241 through automatic renewal. |
| 01/01/1967 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 9 (9); Control: 7 (7). |
| 04/22/1967 | Pitches a 3-hit shutout against the Cincinnati Reds with 5 strikeouts and 2 BB allowed! |
| 05/01/1967 | Wins the MLB NL Pitcher of the Month Award. |
| 11/02/1967 | Received a 1-year contract worth a total of $27,794 through automatic renewal. |
| 01/01/1968 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 9 (9); Control: 7 (7). |
| 05/27/1968 | Pitches a 2-hit shutout against the Los Angeles Dodgers with 5 strikeouts and 0 BB allowed! |
| 06/01/1968 | Wins the MLB NL Pitcher of the Month Award. |
| 06/13/1968 | Pitches a 5-hit shutout against the Philadelphia Phillies with 5 strikeouts and 2 BB allowed! |
| 07/01/1968 | Was selected to the 1968 Major League Baseball All-Star Game. |
| 09/01/1968 | Wins the MLB NL Pitcher of the Month Award. |
| 10/10/1968 | Wins the 1968 MLB NL Cy Young Award. |
| 10/28/1968 | Received a 1-year contract worth a total of $274,428 through arbitration. |
| 01/01/1969 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 9 (9); Control: 7 (7). |
| 05/01/1969 | Wins the MLB NL Pitcher of the Month Award. |
| 06/01/1969 | Wins the MLB NL Pitcher of the Month Award. |
| 07/12/1969 | Was selected to the 1969 Major League Baseball All-Star Game. |
| 08/01/1969 | Wins the MLB NL Pitcher of the Month Award. |
| 08/25/1969 | Pitches a 3-hit shutout against the San Diego Padres with 9 strikeouts and 1 BB allowed! |
| 10/01/1969 | Wins the MLB NL Pitcher of the Month Award. |
| 10/04/1969 | Pitches a 5-hit shutout against the San Diego Padres with 7 strikeouts and 1 BB allowed! |
| 10/08/1969 | Injured (mild oblique strain), day-to-day for 4 days. |
| 10/24/1969 | Wins the 1969 MLB NL Cy Young Award. |
| 11/14/1969 | Received a 1-year contract worth a total of $338,238 through arbitration. |
| 01/01/1970 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 9 (9); Control: 7 (7). |
| 05/01/1970 | Wins the MLB NL Pitcher of the Month Award. |
| 06/29/1970 | Was selected to the 1970 Major League Baseball All-Star Game. |
| 10/22/1970 | Won the 1970 Major League Baseball World Series with the Houston Astros! |
| 11/13/1970 | Received a 1-year contract worth a total of $341,760 through arbitration. |
| 01/01/1971 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 9 (9); Control: 7 (7). |
| 02/08/1971 | Signed a 2-year contract extension worth a total of $1,050,000 with the Houston Astros organization. |
| 04/30/1971 | Pitches a 6-hit shutout against the St. Louis Cardinals with 4 strikeouts and 0 BB allowed! |
| 06/08/1971 | Injured (hamstring soreness), out for one week. |
| 06/28/1971 | Was traded by the Houston Astros to the California Angels in exchange for SP S. Koufax. |
| 07/07/1971 | Pitches a 2-hit shutout against the Minnesota Twins with 4 strikeouts and 1 BB allowed! |
| 01/01/1972 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 9 (9); Control: 7 (7). |
| 06/26/1972 | Was traded by the California Angels to the Los Angeles Dodgers, along with 2B J. Morgan, MR J. Dahl, MR A. Monteagudo, C M. Sanguillen, LF R. Garr, 2B R. Petrocelli, SP G. Bell, in exchange for 2B R. Carew, LF J. Pepitone, CL S. Carlton, MR D. LaRoche, C D. Porter, SS M. Andrews, SP G. Nolan. |
| 11/28/1972 | Signed a 3-year contract extension worth a total of $3,461,400 with the Los Angeles Dodgers organization. |
| 01/01/1973 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 9 (9); Control: 7 (7). |
| 05/03/1973 | Pitches a 3-hit shutout against the Chicago Cubs with 3 strikeouts and 2 BB allowed! |
| 07/14/1973 | Pitches a 1-hit shutout against the Chicago Cubs with 9 strikeouts and 1 BB allowed! |
| 07/30/1973 | Was traded by the Los Angeles Dodgers to the Montreal Expos, along with 2B Van Kelly, MR Danny Frisella, LF Ralph Garr, in exchange for SP Dave Hamilton, LF Cleon Jones, 1B Dan Driessen, LF Bernie Carbo, SP Sandy Vance. |
| 09/01/1973 | Wins the MLB NL Pitcher of the Month Award. |
| 09/05/1973 | Injured (back tightness), day-to-day for one week. |
| 01/01/1974 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 9 (9); Control: 7 (7). |
| 04/16/1974 | Pitches a 4-hit shutout against the New York Mets with 9 strikeouts and 2 BB allowed! |
| 05/01/1974 | Wins the MLB NL Pitcher of the Month Award. |
| 06/04/1974 | Pitches a 3-hit shutout against the Houston Astros with 3 strikeouts and 3 BB allowed! |
| 07/10/1974 | Was selected to the 1974 Major League Baseball All-Star Game. |
| 08/26/1974 | Pitches a 5-hit shutout against the Atlanta Braves with 6 strikeouts and 2 BB allowed! |
| 01/01/1975 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 9 (9); Control: 7 (7). |
| 05/02/1975 | Pitches a 3-hit shutout against the New York Mets with 6 strikeouts and 0 BB allowed! |
| 06/01/1975 | Wins the MLB NL Pitcher of the Month Award. |