A Rookie is a player who is in their first year of professional sports. RC is the short term for a Rookie. There are Adrenalyn XL rookie cards in NBA , NHL and NFL Adrenalyn XL's. Eric Maynor RookieJohn Wall RookieC. J. Spiller RookieMarcus Johansson RookieAdd a photo to this gallery Retrieved from "https://adrenalynxl.fandom.com/wiki/Rookie?oldid=4993" Categories: Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.