Single-Season Leaders for OPS
Minimum of 3.1 PA/G, 1.0 IP/G, and 0.1 decision/G for single-season leaderboards for rate statistics.
| Rank | Player | OPS | Year |
| 1. | Barry Bonds | 1.515 | 2002 |
| 2. | Barry Bonds | 1.364 | 2003 |
| 3. | Barry Bonds | 1.240 | 2005 |
| 4. | Manny Ramirez | 1.230 | 2001 |
| 5. | Albert Pujols | 1.226 | 2004 |
