Thank you for checking out our store! We value each and every customer and want you to be happy with the purchase you are making. Up for sale is a baseball autographed by Mark McGwire. This incredible signed baseball by Mark McGwire was authenticated by a team of experts at PSA/DNA, so you can rest assured you are purchasing the real deal. Mark McGwire is best known for his outstanding MLB career as one of the most powerful hitters in baseball history. A former Rookie of the Year with the Oakland Athletics, McGwire became a 12-time All-Star and is widely recognized for his legendary home run hitting, including setting the then-rookie home run record and later becoming one of the key figures in the historic 1998 home run chase. He also won a World Series championship with the Oakland Athletics in 1989 and finished his career with 583 home runs. McGwire is remembered as one of the most dominant sluggers of his era. We’d like to encourage you, our customer, to reach out to us if you come across any questions. We always take the time to respond to messages from our customers, and we’re always happy to hear from you!