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Hall of Fame: Jack Morris, Alan Trammell memorabilia value skyrockets

We unearthed thousands of Free Press photo negatives and one sports writer's score book to tell the tale of baseball's greats. "Bless you, boys." Brian Kaufman, Detroit Free Press

Jack Morris and Alan Trammell's value has skyrocketed.

For their signatures, that is.

The two former Tigers will inducted into the Baseball Hall of Fame Sunday afternoon, along with Jim Thorne, Chipper Jones, Trevor Hoffman and Vladimir Guerrero. Thanks to their inductions, Morris' and Trammell's signature on baseballs, bats, gloves and just about anything else, have nearly doubled.