Montréal Expos (1988-89) ► Seattle Mariners (1989-98) ► Houston Astros (1998) ► Arizona Diamondbacks (1999-2004, 2007-08) ► New York Yankees (2005-06) ► San Francisco Giants (2009)
| Years | Logo | G | W | L | Sv | K | IP |
| 1988-1989 |  |
11 | 3 | 4 | 0 | 51 | 55 |
| 1989-1992 |  |
119 | 46 | 44 | 0 | 767 | 761 |
| 1993-1998 |  |
155 | 84 | 30 | 2 | 1,395 | 1,075 |
| 1998-1998 |  |
11 | 10 | 1 | 0 | 116 | 84 |
| 1999-2004 |  |
193 | 103 | 49 | 0 | 1,832 | 1,387 |
| 2005-2006 |  |
67 | 34 | 19 | 0 | 383 | 430 |
| 2007-2008 |  |
40 | 15 | 13 | 0 | 245 | 240 |
| 2009-2009 |  |
22 | 8 | 6 | 0 | 86 | 96 |
| TOTALS | 618 | 303 | 166 | 2 | 4,875 | 4,128 | |
Randy Johnson played for the Montréal Expos, Seattle Mariners, Houston Astros, Arizona Diamondbacks, New York Yankees, and San Francisco Giants during his MLB career.
Randy Johnson played for 6 teams during his MLB career.
