| 07/01/1988 |
Wins the MLB AL Rookie of the Month Award. |
| 07/01/1988 |
Was traded by the Texas Rangers to the New York Yankees, along with SP Charlie Hough, SP Mike Jeffcoat, and RP Mitch Williams, in exchange for 1B Hal Morris, RF Kevin Maas, CF Deion Sanders, RP Rick Langford, and RP Richard Dotson. |
| 10/21/1988 |
Wins the 1988 World Series with the New York Yankees. |
| 11/15/1988 |
Received a 1-year contract through automatic renewal worth a total of $120,000. |
| 01/01/1989 |
OSA scouting updated ratings (potential): Stuff: 11 (11); Movement: 14 (14); Control: 17 (17). |
| 01/01/1989 |
OSA scouting updated ratings (potential): Stuff: 11 (11); Movement: 14 (14); Control: 17 (17). |
| 04/26/1989 |
Injured on 04/25/1989, diagnosed with a finger blister, is day-to-day. |
| 11/17/1989 |
Received a 1-year contract through automatic renewal worth a total of $126,000. |
| 01/01/1990 |
OSA scouting updated ratings (potential): Stuff: 10 (10); Movement: 14 (14); Control: 16 (16). |
| 01/01/1990 |
OSA scouting updated ratings (potential): Stuff: 10 (10); Movement: 14 (14); Control: 16 (16). |
| 10/22/1990 |
Wins the 1990 World Series with the New York Yankees. |
| 11/14/1990 |
Received a 1-year contract through arbitration worth a total of $451,630. |
| 01/01/1991 |
OSA scouting updated ratings (potential): Stuff: 10 (10); Movement: 14 (14); Control: 16 (16). |
| 01/01/1991 |
OSA scouting updated ratings (potential): Stuff: 10 (10); Movement: 14 (14); Control: 16 (16). |
| 10/28/1991 |
Wins the 1991 World Series with the New York Yankees. |
| 10/29/1991 |
Wins the 1991 MLB AL Reliever of the Year Award. |
| 11/20/1991 |
Received a 1-year contract through arbitration worth a total of $945,200. |
| 01/01/1992 |
OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 13 (13); Control: 16 (16). |
| 01/01/1992 |
OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 13 (13); Control: 16 (16). |
| 03/08/1992 |
Unsuccessfully completed training to increase his endurance on the mound at the New York Yankees development complex. |
| 07/05/1992 |
Injured on 07/03/1992, diagnosed with shoulder inflammation, will miss 4-5 months. |
| 11/13/1992 |
Received a 1-year contract through arbitration worth a total of $1,100,000. |
| 12/17/1992 |
Drafted in the 1992 expansion draft from the New York Yankees by the Florida Marlins. (Round 10, Pick 2, 20th overall pick). |
| 01/01/1993 |
OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 13 (13); Control: 16 (16). |
| 01/01/1993 |
OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 13 (13); Control: 16 (16). |
| 04/25/1993 |
Injured on 04/21/1993, diagnosed with a sprained ankle, will miss 5 weeks. |
| 11/19/1993 |
Became a free agent. |
| 12/04/1993 |
Signed a 3-year contract worth a total of $2,910,000 with the Chicago Cubs organization. |
| 01/01/1994 |
OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 11 (11); Control: 16 (16). |
| 01/01/1994 |
OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 11 (11); Control: 16 (16). |
| 09/08/1994 |
Injured on 09/06/1994, diagnosed with a hamstring strain, will miss 2-3 weeks. |
| 01/01/1995 |
OSA scouting updated ratings (potential): Stuff: 7 (7); Movement: 11 (11); Control: 16 (16). |
| 01/01/1995 |
OSA scouting updated ratings (potential): Stuff: 7 (7); Movement: 11 (11); Control: 16 (16). |
| 03/18/1995 |
Injured (finger blister),day-to-day for 1 day. |
| 04/14/1995 |
Injured on 04/12/1995, diagnosed with a finger blister, is day-to-day. |