The Pitt Panthers are one win away from the Sweet 16. GREENSBORO — The Pitt Panthers are one win away from their first Sweet 16 since 2009 after emerging victorious from a pair of rock fights with Mississippi State and Iowa State. All that stands between Pitt and the ranks of the elite in college basketball this March is a familiar postseason foil, coached by one of the best point guards in Panthers history. Game Info Opponent: No. 3 Xavier (26-9 overall, 15-5 Big East) Time: 12:10 PM EST Location: Greensboro Coliseum; Greensboro, North Carolina Broadcast: CBS and 93.7 The…