| Player History |
| 05-18-1978 | Drafted in 1st round, 4th overall pick, by Seattle in 1978. |
| 07-02-1978 | Injured (bruised wrist), day-to-day for 5 days. |
| 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): Contact: 6 (7); Power: 4 (7); Eye: 5 (6). |
| 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: 7 (7); Power: 2 (3); Eye: 5 (8). |
| 07-14-1980 | Wins the MLB AL Player of the Week Award. |
| 08-23-1980 | Goes 5-7 against the Kansas City Royals, with 3 2B, 1 3B, 3 RBI and 1 R. |
| 11-19-1980 | Received a 1-year contract worth a total of $5,076,000 through arbitration. |
| 01-01-1981 | SISA scouting updated ratings (potential): Contact: 9 (9); Power: 3 (3); Eye: 5 (7). |
| 05-28-1981 | Injured (damaged meniscus (knee)), day-to-day for 5 days. |
| 06-14-1981 | Goes 0-5 against the Washington Senators, ending his hitting streak at 26 games. |
| 11-18-1981 | Received a 1-year contract worth a total of $5,123,000 through arbitration. |
| 01-01-1982 | SISA scouting updated ratings (potential): Contact: 9 (10); Power: 5 (6); Eye: 4 (5). |
| 05-10-1982 | Goes 5-5 against the Baltimore Orioles, with 2 2B, 1 HR, 3 RBI and 2 R. |
| 05-17-1982 | Wins the MLB AL Player of the Week Award. |
| 11-19-1982 | Received a 1-year contract worth a total of $6,125,000 through arbitration. |
| 01-01-1983 | SISA scouting updated ratings (potential): Contact: 8 (8); Power: 5 (6); Eye: 6 (9). |
| 06-19-1983 | Signed a 4-year contract extension worth a total of $41,760,000 with the Seattle Mariners organization. |
| 09-06-1983 | Injured (damaged meniscus (knee)), day-to-day for 5 days. |
| 01-01-1984 | SISA scouting updated ratings (potential): Contact: 9 (9); Power: 5 (6); Eye: 5 (9). |
| 04-19-1984 | Goes 5-5 against the Milwaukee Brewers, with 2 2B, 1 HR, 3 RBI and 3 R. |
| 04-23-1984 | Wins the MLB AL Player of the Week Award. |
| 06-29-1984 | Was selected to the 1984 Major League Baseball All-Star Game. |
| 07-23-1984 | Wins the MLB AL Player of the Week Award. |
| 09-25-1984 | Injured (fractured ulna (arm)), out for 7-8 weeks. |
| 01-01-1985 | SISA scouting updated ratings (potential): Contact: 8 (8); Power: 4 (4); Eye: 4 (6). |
| 04-22-1985 | Wins the MLB AL Player of the Week Award. |
| 04-27-1985 | Injured (strained posterior cruciate ligament), out for 4 weeks. |
| 01-01-1986 | SISA scouting updated ratings (potential): Contact: 9 (9); Power: 5 (5); Eye: 4 (7). |
| 01-01-1987 | SISA scouting updated ratings (potential): Contact: 7 (7); Power: 4 (4); Eye: 5 (9). |
| 03-07-1987 | Injured (strained back muscle), day-to-day for one week. |
| 07-19-1987 | Signed a 5-year contract extension worth a total of $72,450,000 with the Seattle Mariners organization. |
| 01-01-1988 | OSA scouting updated ratings (potential): Contact: 7 (7); Power: 4 (4); Eye: 4 (7). |
| 04-06-1988 | Collects his 2000th career Major League Baseball hit! |
| 07-07-1988 | Scores his 1000th career Major League Baseball run! |
| 01-01-1989 | OSA scouting updated ratings (potential): Contact: 7 (8); Power: 4 (4); Eye: 4 (7). |