2021 Topps Triple Threads - WINDOWS INTO GREATNESS RELIC BOOK CARDS
10 card windows into greatness relic book cards subset from 2021 Topps Triple Threads (Baseball).
| # | Player | Team | Notes |
|---|---|---|---|
| WGR-AJ | Aaron Judge | New York Yankees | |
| WGR-CK | Clayton Kershaw | Los Angeles Dodgers | |
| WGR-CRJ | Cal Ripken Jr. | Baltimore Orioles | |
| WGR-CY | Christian Yelich | Milwaukee Brewers | |
| WGR-DJ | Derek Jeter | New York Yankees | |
| WGR-HA | Hank Aaron | Atlanta Braves | |
| WGR-JB | Johnny Bench | Cincinnati Reds | |
| WGR-KG | Ken Griffey Jr. | Seattle Mariners | |
| WGR-MT | Mike Trout | Angels | |
| WGR-TG | Tony Gwynn | San Diego Padres |