Blas Castaño baseball cards
3 cards in 2 sets, 3 of them rookie cards (Seattle Mariners).
2026 Topps Chrome 1 card
| # | Subset | Team | |
|---|---|---|---|
| RA-BCA | Retail Rookie Autographs | Seattle Mariners | RC Auto |
2026 Topps Series 2 2 cards
| # | Subset | Team | |
|---|---|---|---|
| 688 | Base Set | Seattle Mariners | RC |
| 688 | Golden Mirror Base Image Variations | Seattle Mariners | RC |