Jamie Moyer: Ball signed by the only five Mariners pitchers to start a game in 2003 (Moyer, Ryan Franklin, Freddy Garcia, Gil Meche, Joel Pineiro).
Placido Polanco: Glove worn in 2007 when he went a full season with no errors (683 chances) for Tigers.
Jimmy Rollins: Helmet worn in 2005 season finale when he extended his hitting streak to 36; spikes worn in 2007 when he had at least 20 doubles, triples and homers.
Carlos Ruiz: Batting helmet from the 2008 World Series.
Chase Utley: Spikes worn during his 35-game hit streak in 2006; jersey worn in 2007 with John Vukovich (VUK) memorial patch; jersey worn during the 2009 World Series (tied record with five home runs).
Jayson Werth: Spikes worn during the 2008 World Series.
Davey Lopes: Bat from 1986 when he was with Houston.
Sam Perlozzo: Baltimore jersey from 2006 with a memorial patch for former Orioles catcher Elrod Hendricks.
Contact info: National Baseball Hall of Fame and Museum, Cooperstown, N.Y.