| 2025 Topps Update Series 2 Veteran Combos - Beantown Boys (Mayer/Campbell) #US241 |
| 2025 Topps Update Series 2 Marcelo Mayer RC #US276 Red Sox |
| 2025 Topps Archives Marcelo Mayer RC #236 Red Sox (x2) |
| 2025 Topps Archives Marcelo Mayer RC #105 Red Sox (x3) |
| 2021 Bowman Draft Marcelo Mayer 1st #BD-174 Red Sox (x3) |
| 2021 Bowman Draft Marcelo Mayer 1st #BDC-174 Red Sox (x2) |
| 2021 Bowman Draft Marcelo Mayer 1st Refractor #BDC-174 Red Sox |
| 2021 Bowman Draft Marcelo Mayer Draft Night Insert #BDN-6 Red Sox (x3) |
| 2021 Bowman Draft Franchise Futures Insert (Marcelo/McDonough) #FF-4 Red Sox (x2) |
| 2025 Topps Chrome Update Marcelo Mayer RC #USC9 Red Sox |
| 2025 Topps Chrome Update Marcelo Mayer Refractor RC #USC9 Red Sox |
| 2025 Topps Chrome Update Marcelo Mayer RC #USC117 Red Sox |
| 2025 Topps Update Series 2 Marcelo Mayer Black/Gold Insert RC #BG-13 Red Sox |
| 2025 Topps Archives Marcelo Mayer Stand-Up Insert #64SU-18 Red Sox |
| 2025 Topps Update Series 2 Marcelo Mayer Stars of MLB Insert #SMLB-76 Red Sox |