Collector Grade, Beckett-authenticated autographed memorabilia: This Rawlings Official Major League Baseball is signed by Mark McGwire and Sammy Sosa. McGwire set the single-season record with 70 home runs in 1998, won the 1987 AL Rookie of the Year, and earned a 1989 World Series title with the A’s. Sosa won the 1998 NL MVP, finished with 609 career homers, and is the only player with three 60-HR seasons, cementing the duo’s place in the sport’s most famous home run race.

Collector's Highlights:

• Profession - Athlete: Mark McGwire & Sammy Sosa
• Item: Rawlings Official Major League Baseball (dual-signed)
• Authentication: Beckett Authentication Services (BAS) hologram and COA

Authenticated by Beckett, this dual-signed baseball is verified genuine and comes with a matching hologram and certificate for long-term confidence. For collectors of 1990s baseball memorabilia, it’s a clean, display-ready piece tied to one of the game’s most unforgettable seasons.