Major League Mementos is an insert set in 2020 Topps Opening Day. Each card number carries an MLM prefix.
Gallery[]
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Checklist[]
| Number | Player | Team |
|---|---|---|
| BH | Bryce Harper | Phillies |
| BM | Brendan McKay | Rays |
| BP | Buster Posey | Giants |
| CY | Christian Yelich | Brewers |
| KB | Kris Bryant | Cubs |
| MT | Mike Trout | Angels |
| PA | Pete Alonso | Mets |
| RD | Rafael Devers | Red Sox |
Template:2020 Topps Opening Day