WHO WE ARE: MLB.com Shop Shop.MLB.com is the official online Shop of Major League Baseball. We offer everything from official MLB jerseys to collectibles! Cash in on all of the MLB products that MLB.com Shop has to offer!. Offer: Deal:CYBER MONDAY 2019 Expires: December 8, 2019 Redeem: REDEEM OFFER You must click this button to ensure savings. Offer: Deal:Rotating Offers Expires: Ongoing Redeem: REDEEM OFFER You must click this button to ensure savings.