What does RC mean wit football baseball cards?

Answer 1

On any sports card RC will mean rookie card. You also have XRC which are extended rookie cards. XRC were from extension sets that were released in the later half of the previous year, i.e. Topps Traded, Fleer update, etc. There was a time when XRC were worth less than the regular RC. Now with time older sets like the 80's the XRC's can be worth as much or even more than the "true" rookie cards. Of course, value is based on the player, condition of the card and if it's been professionally graded.