| Player History |
| 05-18-1975 | Drafted in 1st round, 9th overall pick, by Kansas City in 1975. |
| 06-09-1975 | Injured on 6/9/1975 with a Inflamed Elbow Ligament, out for 1-2 weeks. |
| 04-09-1977 | Earned first career win on 4/9/1977. |
| 11-22-1978 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1979 | SISA scouting updated ratings (potential): Stuff: 6 (8); Movement: 5 (5); Control: 7 (7). |
| 06-28-1979 | Injured (bronchitis), day-to-day for 4 days. |
| 11-20-1979 | Received a 1-year contract worth a total of $1,794,000 through arbitration. |
| 01-01-1980 | SISA scouting updated ratings (potential): Stuff: 6 (7); Movement: 6 (6); Control: 7 (7). |
| 04-02-1980 | Pitches a 2-hit shutout against the Milwaukee Brewers with 9 strikeouts and 3 BB allowed! |
| 05-01-1980 | Wins the MLB AL Pitcher of the Month Award. |
| 06-29-1980 | Was selected to the 1980 Major League Baseball All-Star Game. |
| 11-19-1980 | Received a 1-year contract worth a total of $1,569,600 through arbitration. |
| 01-01-1981 | SISA scouting updated ratings (potential): Stuff: 5 (6); Movement: 7 (7); Control: 7 (7). |
| 08-26-1981 | Injured (dead arm syndrome), out for 1-2 weeks. |
| 09-28-1981 | Injured (back spasms), out for 1-2 weeks. |
| 10-02-1981 | Signed a 3-year contract extension worth a total of $7,620,000 with the Kansas City Royals organization. |
| 01-01-1982 | SISA scouting updated ratings (potential): Stuff: 5 (5); Movement: 5 (5); Control: 6 (6). |
| 01-01-1983 | SISA scouting updated ratings (potential): Stuff: 6 (6); Movement: 5 (5); Control: 7 (7). |
| 01-01-1984 | SISA scouting updated ratings (potential): Stuff: 6 (6); Movement: 7 (7); Control: 6 (6). |
| 09-29-1984 | Injured (tender elbow), day-to-day for 1-2 weeks. |
| 11-18-1984 | Became a free agent. |
| 01-01-1985 | SISA scouting updated ratings (potential): Stuff: 5 (5); Movement: 5 (5); Control: 6 (6). |
| 01-01-1986 | SISA scouting updated ratings (potential): Stuff: 5 (5); Movement: 5 (5); Control: 6 (6). |
| 05-30-1986 | Injured (blurred vision), out for 2 weeks. |
| 08-16-1986 | Injured (tender elbow), out for 1-2 weeks. |
| 11-24-1986 | Became a free agent. |
| 01-01-1987 | SISA scouting updated ratings (potential): Stuff: 5 (6); Movement: 5 (5); Control: 6 (7). |
| 04-08-1987 | Pitches a 2-hit shutout against the Milwaukee Brewers with 10 strikeouts and 5 BB allowed! |
| 05-15-1987 | Pitches a 6-hit shutout against the Baltimore Orioles with 5 strikeouts and 1 BB allowed! |
| 05-21-1987 | Pitches a 2-hit shutout against the Oakland Athletics with 5 strikeouts and 1 BB allowed! |
| 06-29-1987 | Was selected to the 1987 Major League Baseball All-Star Game. |
| 08-07-1987 | Pitches a 4-hit shutout against the Milwaukee Brewers with 5 strikeouts and 1 BB allowed! |
| 08-28-1987 | Pitches a 3-hit shutout against the Oakland Athletics with 3 strikeouts and 2 BB allowed! |
| 01-01-1988 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 7 (7); Control: 8 (8). |
| 06-29-1988 | Was selected to the 1988 Major League Baseball All-Star Game. |
| 09-02-1988 | Pitches a 5-hit shutout against the Seattle Mariners with 4 strikeouts and 0 BB allowed! |
| 01-01-1989 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 6 (6); Control: 8 (8). |