Each complete set of 2010 Topps Baseball contains 661 Regular Cards Plus one (1) ten-card set of 2010 Rookie Variation Cards packed in a shrink-wrapped, full-color display box. The full color boxes showcases rookie phenom Stephen Strasburg exclusively on this edition – a keepsake in itself. The 10 card bonus rookie card set includes top names such as: Jason Heyward Mike Leake Starlin Castro Austin Jackson Carlos Santana Mike Stanton Stephen Strasburg Andrew Cashner Brennan Boesch Brian Matusz The 661 card set is made up as follows: Veterans - 525 players from Series 1 and 2 Rookies - 70 rising stars from Series 1 and 2 Subsets - 65 players from Series 1 and 2 Stephen Strasburg Topps Rookie Card #661 30 Manager Cards • 10 League Leaders • 2 League MVPs • 2 Rookies of the Year • 2 Cy Young Award Winners • 10 Classic Combo Cards • 8 Post Season Highlights • Mickey Mantle Made in USA.