Tonight at 7:47 p.m. ET on TBS the West Region's first Sweet 16 game will tip off between the top-seeded Wisconsin Badgers and the fourth-seeded North Carolina Tar Heels. Live stream the game free by clicking this link. Badgers fans can catch the radio broadcast by turning their dials to WIBA 1310, while Tar Heels fans may do likewise on News Talk 1110 WBT.