| Player History |
| 04-15-1970 | Injured on 4/15/1970 with a Tight Shoulder, out for one week. |
| 05-18-1970 | Drafted in 2nd round, 44th overall pick, by Chicago (N) in 1970. |
| 05-20-1971 | Injured on 5/20/1971 with a Tight Shoulder, out for one week. |
| 05-17-1973 | Injured on 5/17/1973 with a Strained Tricep Muscle, out for 4-5 weeks. |
| 07-21-1973 | Injured on 7/21/1973 with a Inflamed Elbow Ligament, out for one week. |
| 04-20-1974 | Injured on 4/20/1974 with a Pulled Tricep Muscle, out for 4 weeks. |
| 08-21-1974 | Injured on 8/21/1974 with a Torn Bicep Muscle, out for 5 weeks. |
| 04-07-1975 | Earned first career win on 4/7/1975. |
| 04-07-1975 | Had first career hit (double) on 4/7/1975, off Jim Hughes (STL). |
| 06-01-1975 | Won Pitcher of the Month award on 6/1/1975, going 5-0, 1.29. |
| 09-09-1975 | Injured on 9/9/1975 with a Bone Chips Elbow, out for 7 weeks. |
| 08-02-1976 | Injured on 8/2/1976 with a Strained Bicep Tendon, out for 3 weeks. |
| 12-01-1976 | Won World Series with Chicago (N) in 1976. |
| 05-09-1977 | Won Player of the Week award on 5/9/1977, winning 2 games with a 0.00 ERA. |
| 04-12-1978 | Pitches a 5-hit shutout against the San Diego Padres with 2 strikeouts and 0 BB allowed! |
| 07-21-1978 | Pitches a 1-hit shutout against the San Diego Padres with 2 strikeouts and 0 BB allowed! |
| 10-29-1978 | Won the 1978 Major League Baseball World Series with the Chicago (N) Cubs! |
| 11-19-1978 | Received a 1-year contract worth a total of $2,214,900 through arbitration. |
| 01-01-1979 | SISA scouting updated ratings (potential): Stuff: 1 (2); Movement: 6 (6); Control: 10 (10). |
| 11-20-1979 | Received a 1-year contract worth a total of $1,785,600 through arbitration. |
| 01-01-1980 | SISA scouting updated ratings (potential): Stuff: 2 (3); Movement: 7 (7); Control: 9 (9). |
| 10-29-1980 | Won the 1980 Major League Baseball World Series with the Chicago (N) Cubs! |
| 11-19-1980 | Received a 1-year contract worth a total of $1,927,500 through arbitration. |
| 01-01-1981 | SISA scouting updated ratings (potential): Stuff: 2 (2); Movement: 6 (6); Control: 8 (8). |
| 05-19-1981 | Signed a 3-year contract extension worth a total of $14,100,000 with the Chicago (N) Cubs organization. |
| 05-26-1981 | Pitches a 6-hit shutout against the New York (N) Mets with 5 strikeouts and 1 BB allowed! |
| 01-01-1982 | SISA scouting updated ratings (potential): Stuff: 1 (1); Movement: 7 (7); Control: 8 (8). |
| 01-01-1983 | SISA scouting updated ratings (potential): Stuff: 2 (2); Movement: 7 (7); Control: 9 (9). |
| 04-02-1985 | Signed a 1-year contract worth a total of $550,000 with the St. Louis Cardinals organization. |
| 06-26-1985 | Got claimed off waivers by Los Angeles (N) while with St. Louis. |
| 11-18-1985 | Became a free agent. |
| 01-01-1986 | SISA scouting updated ratings (potential): Stuff: 1 (2); Movement: 5 (6); Control: 9 (9). |
| 08-19-1986 | Signed a 1-year contract extension worth a total of $580,000 with the Chicago (N) Cubs organization. |
| 01-01-1987 | SISA scouting updated ratings (potential): Stuff: 1 (2); Movement: 5 (6); Control: 9 (9). |
| 09-02-1987 | Signed a 1-year contract extension worth a total of $840,000 with the Chicago (N) Cubs organization. |
| 01-01-1988 | OSA scouting updated ratings (potential): Stuff: 1 (2); Movement: 4 (5); Control: 9 (9). |