"Iowa State Ranked Least Likely to Fall in NCAA Tournament 15 vs. 2 Upset Bracket"
The NCAA Tournament has seen 11 upsets by No. 15 seeds in history, with seven in the past 11 seasons. SportsLine provides upset rankings for the 15 vs. 2 matchups, with Iowa State least likely to fall to South Dakota State, followed by Long Beach State against Arizona, St. Peter's against Tennessee, and Western Kentucky against Marquette. Despite potential for upsets, the article suggests that the No. 2 seeds are likely to prevail in the upcoming tournament.