We track 40 players in 1978 Topps baseball cards including Willie McCovey, Whitey Herzog, Fergie Jenkins, Dale Murphy, Johnny Bench, Gary Carter, Mike Schmidt, Willie Stargell, Robin Yount and Tom Seaver. Sports Card Investor also tracks a total of 44 card in the 1978 Topps set. The top trending card in 1978 Topps is currently Willie McCovey's 1978 Topps Base.