Phenoms, hot prospects, stars and flameouts! These creamy-white to lightly toned official balls average "9-10" signature strength overall. Includes: David Clyde, Bill Virdon, Joe Charboneau, Ben McDonald, Mark Fidrych, Don Schwall, Roy Sievers, Mike Hargrove ("8"), Al Bumbry, Fred Lynn (ROY and MVP!), John Montefusco, Trent (Clark) Grisham (inscribed "2015 1st Round Pick"). Auction LOA from JSA.