2025 Topps Baseball Series 1 Mega Box

Celebrate the unofficial beginning of the 2025 baseball season when Topps Baseball Series 1 hits shelves. Collectors will find the league’s current stars, greats from the past, and rising rookies featured on base cards, inserts, and autograph and relic cards! The 350-card set includes MLB® stars, rookies, Future Stars, League Leaders, Team Cards, and more! Each pack contains thirteen 2025 Topps Baseball Series 1 base cards and one insert card. Look for Mega box exclusive Mega Stars insert and Mega Stars parallels.