| Player History |
| 04-09-1974 | Injured on 4/9/1974 with a Sore Back, out for one week. |
| 05-18-1974 | Drafted in 4th round, 84th overall pick, by Houston in 1974. |
| 08-24-1974 | Injured on 8/24/1974 with a Stiff Shoulder, out for 1-2 weeks. |
| 04-09-1975 | Earned first career win on 4/9/1975. |
| 04-19-1975 | Had first career hit on 4/19/1975, off Pete Richert (PIT). |
| 07-01-1977 | Won Pitcher of the Month award on 7/1/1977, going 2-2, 0.44. |
| 01-26-1978 | Gets a new one-year contract worth $6,950,000 through salary arbitration. |
| 04-10-1978 | Injured (strained rotator cuff muscle), out for 6 weeks. |
| 08-01-1978 | Wins the MLB NL Pitcher of the Month Award. |
| 11-19-1978 | Received a 1-year contract worth a total of $5,560,000 through arbitration. |
| 01-01-1979 | SISA scouting updated ratings (potential): Stuff: 4 (6); Movement: 9 (9); Control: 8 (10). |
| 07-02-1979 | Injured (tender elbow), day-to-day for 1-2 weeks. |
| 11-20-1979 | Received a 1-year contract worth a total of $5,160,000 through arbitration. |
| 01-01-1980 | SISA scouting updated ratings (potential): Stuff: 5 (6); Movement: 10 (10); Control: 7 (9). |
| 09-07-1980 | Pitches a 5-hit shutout against the Pittsburgh Pirates with 4 strikeouts and 2 BB allowed! |
| 09-12-1980 | Pitches a 3-hit shutout against the Philadelphia Phillies with 7 strikeouts and 1 BB allowed! |
| 11-22-1980 | Became a free agent. |
| 01-01-1981 | SISA scouting updated ratings (potential): Stuff: 4 (5); Movement: 10 (10); Control: 8 (9). |
| 06-07-1981 | Pitches a 3-hit shutout against the Kansas City Royals with 5 strikeouts and 3 BB allowed! |
| 06-29-1981 | Was selected to the 1981 Major League Baseball All-Star Game. |
| 07-07-1981 | Injured (strained bicep muscle), out for 2 weeks. |
| 08-22-1981 | Injured (ruptured ulnar collateral ligament (elbow)), out for 7 months. |
| 01-01-1982 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 6 (6). |
| 01-01-1983 | SISA scouting updated ratings (potential): Stuff: 3 (3); Movement: 9 (9); Control: 5 (5). |
| 04-04-1983 | Pitches a 1-hit shutout against the Chicago (A) White Sox with 3 strikeouts and 2 BB allowed! |
| 01-01-1984 | SISA scouting updated ratings (potential): Stuff: 2 (2); Movement: 9 (10); Control: 6 (6). |
| 01-01-1985 | SISA scouting updated ratings (potential): Stuff: 2 (2); Movement: 8 (10); Control: 6 (6). |
| 05-19-1985 | Signed a 3-year contract extension worth a total of $2,100,000 with the Detroit Tigers organization. |
| 06-14-1985 | Pitches a 6-hit shutout against the Seattle Mariners with 5 strikeouts and 0 BB allowed! |
| 01-01-1986 | SISA scouting updated ratings (potential): Stuff: 2 (3); Movement: 8 (10); Control: 6 (6). |
| 03-26-1986 | Got claimed off waivers by Pittsburgh while with Detroit. |
| 07-16-1986 | Was traded by the Pittsburgh Pirates to the Chicago (N) Cubs, along with $1, in exchange for $1. |
| 11-11-1986 | Wins the 1986 MLB NL Gold Glove at P. |
| 01-01-1987 | SISA scouting updated ratings (potential): Stuff: 2 (2); Movement: 7 (10); Control: 5 (5). |
| 01-01-1988 | OSA scouting updated ratings (potential): Stuff: 2 (3); Movement: 7 (10); Control: 7 (7). |