| Player History |
| 06-15-1978 | Drafted in the 1978 first-year player draft (Round 1, Pick 1, 1st overall Pick) by the Toronto Blue Jays. |
| 01-01-1979 | SISA scouting updated ratings (potential): Contact: 5 (5); Power: 4 (7); Eye: 7 (7). |
| 06-11-1979 | Wins the MLB AL Player of the Week Award. |
| 07-01-1979 | Wins the MLB AL Rookie of the Month Award. |
| 07-31-1979 | Goes 5-5 against the Milwaukee Brewers, with 2 RBI and 2 R. |
| 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): Contact: 6 (6); Power: 1 (2); Eye: 7 (7). |
| 05-28-1980 | Injured (dislocated finger), out for 2 weeks. |
| 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): Contact: 7 (8); Power: 2 (3); Eye: 8 (8). |
| 08-15-1981 | Injured (strained thigh muscle), day-to-day for 6 days. |
| 11-18-1981 | Received a 1-year contract worth a total of $2,415,000 through arbitration. |
| 01-01-1982 | SISA scouting updated ratings (potential): Contact: 7 (7); Power: 2 (2); Eye: 8 (8). |
| 09-25-1982 | Injured (fractured finger), out for 2 weeks. |
| 11-19-1982 | Received a 1-year contract worth a total of $5,130,000 through arbitration. |
| 01-01-1983 | SISA scouting updated ratings (potential): Contact: 6 (6); Power: 4 (5); Eye: 8 (9). |
| 05-31-1983 | Injured (finger blister), day-to-day for 4 days. |
| 10-15-1983 | Injured (strained back muscle), out for 4 weeks. |
| 11-20-1983 | Received a 1-year contract worth a total of $4,104,000 through arbitration. |
| 01-01-1984 | SISA scouting updated ratings (potential): Contact: 6 (6); Power: 4 (4); Eye: 8 (9). |
| 05-04-1984 | Signed a 3-year contract extension worth a total of $33,330,000 with the Toronto Blue Jays organization. |
| 01-01-1985 | SISA scouting updated ratings (potential): Contact: 6 (6); Power: 5 (5); Eye: 8 (8). |
| 01-01-1986 | SISA scouting updated ratings (potential): Contact: 6 (6); Power: 5 (5); Eye: 8 (8). |
| 09-01-1986 | Injured (sprained ankle), out for 2 weeks. |
| 01-01-1987 | SISA scouting updated ratings (potential): Contact: 4 (4); Power: 4 (4); Eye: 9 (10). |
| 05-22-1987 | Injured (fractured finger), out for 2 weeks. |
| 09-06-1987 | Injured (torn hip muscle), out for 2 weeks. |
| 10-09-1987 | Signed a 3-year contract extension worth a total of $33,330,000 with the Toronto Blue Jays organization. |
| 01-01-1988 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 3 (3); Eye: 6 (6). |