Mike's 300 Win Club
| Spec No. | Item | Signers | Grade | Owner's Comments |
| | PETE ALEXANDER (CHI-NL) 9/20/1924 | | | |
| SR220725 | STEVE CARLTON (PHI-NL) 9/23/1983 | CARLTON, STEVE (Sweet Spot) | MINT+ 9.5 | |
| | JOHN CLARKSON (CLE-NL) 9/21/1892 | | | |
| | ROGER CLEMENS (NY-AL) 6/13/2003 | | | |
| | PUD GALVIN (PIT-NL) 10/5/1888 | | | |
| | TOM GLAVINE (NY-NL) 8/5/2007 | | | |
| | LEFTY GROVE (BOS-AL) 7/25/1941 | | | |
| SR220725 | RANDY JOHNSON (AZ-AL) 6/4/09 | JOHNSON, RANDY (Sweet Spot) | MINT 9 | |
| | WALTER JOHNSON (WAS-AL) 5/14/1920 | | | |
| | TIM KEEFE (NY-AL) 6/4/1890 | | | |
| SR220725 | GREG MADDUX (CHI-NL) 8/7/2004 | MADDUX, GREG (Sweet Spot) | MINT+ 9.5 | |
| | CHRISTY MATHEWSON (NY-NL) 6/28/1912 | | | |
| | KID NICHOLS (BOS-NL) 7/7/1900 | | | |
| SR220725 | PHIL NIEKRO (NY-AL) 10/6/1985 | NIEKRO, PHIL (Sweet Spot) | MINT+ 9.5 | |
| SR220725 | GAYLORD PERRY (SEA-AL) 5/6/1982 | PERRY, GAYLORD (Sweet Spot) | MINT 9 | |
| | EDDIE PLANK (STL-FL) 9/11/1915 | | | |
| SR220725 | CHARLES RADBOURN (CIN-NL) 6/2/1891 | | | |
| SR220725 | NOLAN RYAN (TEX-AL) 7/30/1990 | RYAN, NOLAN (Sweet Spot) | MINT+ 9.5 | |
| SR220725 | TOM SEAVER (CHI-AL) 8/4/1985 | SEAVER, TOM (Sweet Spot) | GEM MT 10 | |
| | WARREN SPAHN (MIL-NL) 8/11/1961 | | | |
| SR220725 | DON SUTTON (CAL-AL) 6/18/1986 | SUTTON, DON (Sweet Spot) | MINT 9 | |
| | MICKEY WELCH (NY-NL) 7/28/1890 | | | |
| | EARLY WYNN (CLE-AL) 7/13/1963 | | | |
| | CY YOUNG (BOS-AL) 7/12/1901 | | | |