I collect the base set cards for the following players. I stick with the base sets for Topps, Fleer, Donruss, Score and Upper Deck. I do have other brands/inserts, but for me I stick mainly with the basic sets just because there is too much stuff out there.
Rod Carew - 1967 Topps #569 (R)
Roger Clemens - 1984 Fleer Update #27 (R)
Reggie Jackson - 1969 Topps #260 (R), 1970 Topps #140
Don Mattingly - 1984 Donruss #248 (R)
Cal Ripkin JR - 1982 Topps Traded #98T (R)
Pete Rose - 1963 Topps #537 (R), 1964 Topps #125, 1965 Topps #207, 1966 Topps #30, 1967 Topps #430, 1968 Topps #230, 1970 Topps #580, 1971 Topps #100, 1972 Topps #559
Nolan Ryan - 1970 Topps #712, 1971 Topps #513, 1972 Topps #595
Robin Yount - 1975 Topps #223 (R)