SANTA CLARA, Calif. – A conversation between college coach and quarterback turned out to be pretty beneficial for Jim Harbaugh.Leaving Stanford a year before his prized pupil, Harbaugh had no chance to draft Andrew Luck. But the San Francisco 49ers coach ended up finding a signal-caller who drew rave reviews from Luck.Luck and Colin Kaepernick, then Nevada's quarterback, got to know each other in 2010 at the Manning family's quarterback academy.