2018 Topps Opening Day - Before Opening Day
20 card before opening day subset from 2018 Topps Opening Day (Baseball).
| # | Player | Team | Notes |
|---|---|---|---|
| BOD-AB | Andrew Benintendi | Boston Red Sox | |
| BOD-AJ | Aaron Judge | New York Yankees | |
| BOD-AR | Anthony Rizzo | Chicago Cubs | |
| BOD-BB | Byron Buxton | Minnesota Twins | |
| BOD-BH | Bryce Harper | Washington Nationals | |
| BOD-BP | Buster Posey | San Francisco Giants | |
| BOD-CB | Cody Bellinger | Los Angeles Dodgers | |
| BOD-CD | Chris Davis | Baltimore Orioles | |
| BOD-CS | Chris Sale | Boston Red Sox | |
| BOD-CV | Christian Vazquez | Boston Red Sox | |
| BOD-DK | Dallas Keuchel | Houston Astros | |
| BOD-I | Ichiro | Miami Marlins | |
| BOD-KB | Kris Bryant | Chicago Cubs | |
| BOD-MB | Mookie Betts | Boston Red Sox | |
| BOD-MG | Marwin Gonzalez | Houston Astros | |
| BOD-MK | Mikie Mahtook | Detroit Tigers | |
| BOD-MS | Miguel Sano | Minnesota Twins | |
| BOD-MT | Mike Trout | Angels | |
| BOD-SP | Salvador Perez | Kansas City Royals | |
| BOD-YP | Yasiel Puig | Los Angeles Dodgers |