| Player History |
| 06-15-1978 | Drafted in the 1978 first-year player draft (Round 2, Pick 13, 39th overall Pick) by the Washington Senators. |
| 07-19-1978 | Injured (torn bicep muscle), out for 7 months. |
| 01-01-1979 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 7 (8); Control: 7 (7). |
| 04-09-1979 | Injured (finger blister), out for 1-2 weeks. |
| 08-04-1979 | Injured (strained back muscle), out for 1-2 weeks. |
| 11-23-1979 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1980 | SISA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (7); Control: 7 (7). |
| 11-22-1980 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1981 | SISA scouting updated ratings (potential): Stuff: 3 (3); Movement: 8 (8); Control: 6 (6). |
| 09-02-1981 | Pitches a 5-hit shutout against the Cleveland Indians with 10 strikeouts and 1 BB allowed! |
| 11-21-1981 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1982 | SISA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (7); Control: 6 (6). |
| 11-19-1982 | Received a 1-year contract worth a total of $427,800 through arbitration. |
| 01-01-1983 | SISA scouting updated ratings (potential): Stuff: 3 (3); Movement: 9 (9); Control: 7 (7). |
| 08-30-1983 | Injured (dead arm syndrome), out for 1-2 weeks. |
| 11-20-1983 | Received a 1-year contract worth a total of $388,800 through arbitration. |
| 01-01-1984 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 7 (8); Control: 6 (6). |
| 04-14-1984 | Pitches a 5-hit shutout against the Cleveland Indians with 3 strikeouts and 2 BB allowed! |
| 11-15-1984 | Received a 1-year contract worth a total of $311,040 through arbitration. |
| 01-01-1985 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 8 (8); Control: 5 (5). |
| 09-19-1985 | Signed a 2-year contract extension worth a total of $1,240,000 with the Washington Senators organization. |
| 01-01-1986 | SISA scouting updated ratings (potential): Stuff: 3 (4); Movement: 7 (7); Control: 5 (5). |
| 07-13-1986 | Pitches a 5-hit shutout against the Toronto Blue Jays with 4 strikeouts and 2 BB allowed! |
| 01-01-1987 | SISA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (7); Control: 6 (6). |
| 10-21-1987 | Signed a 2-year contract extension worth a total of $1,660,000 with the Washington Senators organization. |
| 01-01-1988 | OSA scouting updated ratings (potential): Stuff: 2 (2); Movement: 7 (7); Control: 5 (5). |