| Single Season On Base Plus Slug |
| Player | Year | Team | PA | OBP | SLG | OPS |
| Bonds, Barry | 2002 |
Hatfield Rainmakers
|
685 | .518 | .813 | 1.331 |
| McGwire, Mark | 1997 |
Shakopee Schlitz
|
565 | .476 | .781 | 1.257 |
| Bonds, Barry | 2003 |
Oman Ice Man
|
637 | .485 | .767 | 1.252 |
| Bonds, Barry | 2004 |
Panic Hiatus
|
552 | .471 | .720 | 1.191 |
| Delgado, Carlos | 2001 |
Honolulu Hummers
|
724 | .450 | .685 | 1.135 |
| McGwire, Mark | 1999 |
Hibbing Hurricanes / Gilmer Banana Slugs
|
687 | .435 | .669 | 1.104 |
| Walker, Larry | 1998 |
Cherokee Choctaws
|
694 | .401 | .698 | 1.099 |
| McGwire, Mark | 2000 |
Corsica Red Devils
|
675 | .399 | .676 | 1.075 |
| Bonds, Barry | 1997 |
Mountain View Masters
|
706 | .418 | .651 | 1.069 |
| Alfonzo, Edgardo | 2001 |
Gilt Edge Splinters
|
691 | .441 | .627 | 1.068 |
| Jones, Chipper | 2000 |
Austin T-Birds
|
713 | .411 | .650 | 1.061 |
| Ramirez, Manny | 2003 |
Shady Agenda
|
521 | .403 | .644 | 1.047 |
| Sheffield, Gary | 1997 |
St. Petersburg Apostles
|
728 | .402 | .637 | 1.039 |
| Pujols, Albert | 2004 |
Windsor Black Widows
|
714 | .401 | .637 | 1.038 |
| Helton, Todd | 2002 |
Savoy Truffles
|
724 | .394 | .638 | 1.032 |
| Walker, Larry | 2002 |
Zion Nuclear Gnatts
|
629 | .424 | .608 | 1.032 |
| Bonds, Barry | 2001 |
Bridgeport Good Kids
|
665 | .397 | .631 | 1.028 |
| Helton, Todd | 2001 |
Golden Showers
|
713 | .417 | .610 | 1.027 |
| Edmonds, Jim | 2005 |
Albuquerque Quirky Albums
|
669 | .384 | .635 | 1.019 |
| Martinez, Edgar | 1997 |
South Syrinx Friars
|
639 | .424 | .580 | 1.004 |
| Lopez, Javier | 2004 |
Springfield Isotopes
|
509 | .365 | .637 | 1.002 |
| Bonds, Barry | 2005 |
Shady Dirt Roads
|
634 | .434 | .568 | 1.002 |
| Griffey, Ken | 1999 |
Chicago Shazam
|
687 | .367 | .628 | .995 |
| Sosa, Sammy | 2001 |
Honolulu Hummers
|
686 | .370 | .624 | .994 |
| Giambi, Jason | 2002 |
Soso Impersonation
|
661 | .399 | .595 | .994 |
| Walker, Larry | 1996 |
Saskatchewan Thumpers
|
585 | .352 | .640 | .992 |
| Ramirez, Manny | 2000 |
Conrad Caterpillars
|
654 | .379 | .611 | .990 |
| Thomas, Frank | 1997 |
Mobile Trailer Homers
|
608 | .400 | .585 | .985 |
| Sheffield, Gary | 2004 |
Panic Hiatus
|
678 | .361 | .621 | .982 |
| Piazza, Mike | 1998 |
Grandwood Park Chan Ho's
|
648 | .401 | .580 | .981 |
| Thome, Jim | 2003 |
Van Wyck Pirates
|
642 | .413 | .566 | .979 |
| Belle, Albert | 1997 |
Mystic Rhythm
|
702 | .368 | .606 | .974 |
| Berkman, Lance | 2002 |
Flint Gardeners
|
700 | .397 | .575 | .972 |
| Bagwell, Jeff | 2000 |
Woollum Mammoths
|
730 | .412 | .559 | .971 |
| Walker, Larry | 2000 |
Chilliwack Water
|
531 | .394 | .576 | .970 |
| Giles, Brian | 2002 |
Fallon Ice Men / Savoy Truffles
|
738 | .362 | .604 | .966 |
| Giambi, Jason | 2001 |
Griswold Rust
|
682 | .415 | .545 | .960 |
| Pujols, Albert | 2005 |
Coulee Dam Whiners
|
688 | .385 | .574 | .959 |
| Griffey, Ken | 2001 |
Denali Asps
|
625 | .378 | .578 | .956 |
| Martinez, Edgar | 2000 |
Grand Portage Zebra Mussels
|
652 | .417 | .539 | .956 |
| Lankford, Ray | 1998 |
Harrison Cheeky Monkeys / Gurnee GiAnts
|
584 | .380 | .573 | .953 |