| 07/11/1985 | Drafted in the 1985 first-year player draft (Round 1, Pick 5, 5th overall pick) by the Toronto Blue Jays. |
| 07/19/1985 | Signed a minor league contract with the Toronto Blue Jays organization with a signing bonus of $1,580,000. |
| 01/01/1986 | OSA scouting updated ratings (potential): Contact: 48 (77); Power: 12 (68); Eye: 31 (54). |
| 04/14/1986 | Named the #30 prospect in the ML |
| 05/16/1986 | Goes 5-5 against the Charlotte Orioles, with 1 2B, 1 RBI and 4 R. |
| 05/19/1986 | Wins the MLAA SL2 Player of the Week Award. |
| 05/21/1986 | Goes 0-5 against the El Paso Brewers, ending his hitting streak at 21 games. |
| 05/31/1986 | Was selected to the 1986 ML Double A All-Star Game. |
| 06/01/1986 | Wins the MLAA SL2 Batter of the Month Award. |
| 06/11/1986 | Injured (bruised calf), day-to-day for 3 days. |
| 06/23/1986 | Injured (strained oblique), out for 6 weeks. |
| 09/08/1986 | Wins the 1986 MLAA SL2 Outstanding Hitter Award. |
| 01/01/1987 | OSA scouting updated ratings (potential): Contact: 73 (73); Power: 31 (58); Eye: 49 (54). |
| 04/06/1987 | Named the #29 prospect in the ML |
| 06/08/1987 | Wins the MLAAA SL2 Player of the Week Award. |
| 07/08/1987 | Injured (undisclosed injury), out for 5 days. |
| 10/02/1987 | Injured (strained quadriceps), out for 6 weeks. |
| 11/21/1987 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01/01/1988 | OSA scouting updated ratings (potential): Contact: 65 (65); Power: 38 (56); Eye: 56 (56). |
| 06/04/1988 | Goes 5-6 against the Boston Red Sox, with 2 RBI and 4 R. |
| 07/15/1988 | Suspended 2 games after ejection following a brawl. |
| 11/10/1988 | Wins the 1988 ML AL Gold Glove Award at RF. |
| 11/24/1988 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01/01/1989 | OSA scouting updated ratings (potential): Contact: 66 (66); Power: 48 (51); Eye: 58 (58). |
| 04/05/1989 | Injured (strained abdominal muscle), out for 2 weeks. |
| 11/06/1989 | Wins the 1989 ML AL Gold Glove Award at RF. |
| 11/20/1989 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01/01/1990 | OSA scouting updated ratings (potential): Contact: 69 (61); Power: 54 (51); Eye: 58 (54). |
| 06/01/1990 | Wins the ML AL Batter of the Month Award. |
| 07/08/1990 | Was selected to the 1990 Major League Baseball All-Star Game. |
| 08/19/1990 | Injured (flu), day-to-day for 1 day. |
| 08/23/1990 | Suspended 4 games after ejection following a brawl. |
| 10/26/1990 | Won the 1990 Major League Baseball World Series with the Toronto Blue Jays! |
| 11/06/1990 | Wins the 1990 ML AL Gold Glove Award at RF. |
| 11/17/1990 | Received a 1-year contract worth a total of $6,000,000 through arbitration. |
| 01/01/1991 | OSA scouting updated ratings (potential): Contact: 69 (61); Power: 54 (51); Eye: 58 (54). |
| 03/22/1991 | Injured on 03/17/1991, diagnosed with an oblique strain, will miss 5 days. |
| 05/21/1991 | Injured (precautionary reasons (head injury)), out for 2 days. |
| 06/20/1991 | Injured (fractured foot), out for 3 weeks. |
| 08/15/1991 | Injured on 08/14/1991, diagnosed with a hyperextended ankle, will miss 3 days. |
| 09/28/1991 | Injured (sore ankle), day-to-day for 4 days. |
| 11/03/1991 | Won the 1991 Major League Baseball World Series with the Toronto Blue Jays! |
| 11/14/1991 | Wins the 1991 ML AL Gold Glove Award at RF. |
| 11/25/1991 | Received a 1-year contract worth a total of $8,250,000 through arbitration. |
| 01/01/1992 | OSA scouting updated ratings (potential): Contact: 69 (61); Power: 54 (51); Eye: 58 (54). |
| 08/03/1992 | Wins the ML AL Player of the Week Award. |
| 08/05/1992 | Signed a 3-year contract extension worth a total of $31,000,000 with the Toronto Blue Jays organization. |
| 01/01/1993 | OSA scouting updated ratings (potential): Contact: 69 (61); Power: 54 (51); Eye: 58 (54). |
| 06/13/1993 | Injured (separated shoulder), out for 5 weeks. |
| 07/16/1993 | Suffered setback in recovery from injury, will miss another one week. |
| 10/01/1993 | Injured (finger blister), day-to-day for 2 days. |
| 01/01/1994 | OSA scouting updated ratings (potential): Contact: 68 (61); Power: 53 (51); Eye: 57 (54). |
| 03/18/1994 | Injured (fractured foot), out for 2-3 weeks. |
| 09/07/1994 | Injured (bruised shoulder), day-to-day for 5 days. |
| 09/10/1994 | Injured (oblique strain), out for 5 weeks. |
| 11/07/1994 | Wins the 1994 ML AL Gold Glove Award at RF. |
| 01/01/1995 | OSA scouting updated ratings (potential): Contact: 58 (61); Power: 50 (51); Eye: 56 (56). |
| 11/03/1995 | Wins the 1995 ML AL Gold Glove Award at RF. |
| 11/17/1995 | Became a free agent. |
| 12/22/1995 | Signed a 4-year contract worth a total of $26,000,000 with the Colorado Rockies organization. |
| 01/01/1996 | OSA scouting updated ratings (potential): Contact: 57 (59); Power: 48 (51); Eye: 57 (57). |
| 03/10/1996 | Injured (foot contusion), out for 1-2 weeks. |
| 09/23/1996 | Injured (knee contusion), out for one week. |
| 01/01/1997 | OSA scouting updated ratings (potential): Contact: 60 (59); Power: 50 (51); Eye: 55 (57). |
| 08/15/1997 | Injured (broken bone in elbow), out for 8 months. |
| 01/01/1998 | OSA scouting updated ratings (potential): Contact: 60 (59); Power: 50 (51); Eye: 58 (59). |
| 02/05/1998 | Was traded by the Colorado Rockies to the San Francisco Giants, along with a 3rd draft pick, a 4th draft pick, in exchange for a 3rd draft pick. |