Tony Gwynn, Cal Ripken, Jr. and Mark McGwire ruled the baseball world for much of their respective careers. Gwynn spent his entire career, 20 years, with the San Diego Padres, cracking 3,141 hits on the way to a .338 lifetime batting average. Ripken compiled 3,184 hits, 431 home runs and broke Lou Gehrig's record of most consecutive games played (2,131) in MLB history. Mark McGwire won the Rookie of the Year Award and smacked 49 home runs in 1987, kicking off a career in which he hit a total of 583 home runs, including an amazing, record-breaking 70 blasts in 1998. Mark McGwire and 2007 Hall of Fame inductees Tony Gwynn and Cal Ripken, Jr. have each hand signed this MLB baseball, which comes complete with a Steiner Sports Certificate of Authenticity.