2021 Topps Series 1 - STARS IN SERVICE AUTOGRAPH PARALLEL
16 card stars in service autograph parallel subset from 2021 Topps Series 1 (Baseball).
| # | Player | Team | Notes |
|---|---|---|---|
| SIS-1 | Christian Yelich | Milwaukee Brewers | Autograph Parallel |
| SIS-2 | Clayton Kershaw | Los Angeles Dodgers | Autograph Parallel |
| SIS-3 | Aaron Judge | New York Yankees | Autograph Parallel |
| SIS-5 | Cal Ripken Jr. | Baltimore Orioles | Autograph Parallel |
| SIS-6 | Anthony Rizzo | Chicago Cubs | Autograph Parallel |
| SIS-8 | Carlos Carrasco | Cleveland Indians | Autograph Parallel |
| SIS-9 | Pete Alonso | New York Mets | Autograph Parallel |
| SIS-11 | Derek Jeter | New York Yankees | Autograph Parallel |
| SIS-12 | Yadier Molina | St. Louis Cardinals | Autograph Parallel |
| SIS-13 | Don Mattingly | New York Yankees | Autograph Parallel |
| SIS-15 | Pedro Martinez | Boston Red Sox | Autograph Parallel |
| SIS-16 | CC Sabathia | New York Yankees | Autograph Parallel |
| SIS-19 | Ken Griffey Jr. | Seattle Mariners | Autograph Parallel |
| SIS-20 | David Ortiz | Boston Red Sox | Autograph Parallel |
| SIS-23 | Mike Piazza | New York Mets | Autograph Parallel |
| SIS-25 | Edgar Martinez | Seattle Mariners | Autograph Parallel |