Tennessee blows 25-point lead, beats Iowa 83-77 in OT

Iowa's Tyler Cook (25) reacts in overtime during a second-round men's college basketball game in the NCAA Tournament against Tennessee, Sunday, March 24, 2019, in Columbus, Ohio. (AP Photo/John Minchillo)

Tennessee's Admiral Schofield, left, and Kyle Alexander celebrate after they defeated Iowa in overtime during a second-round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Sunday, March 24, 2019.(AP Photo/Tony Dejak)

Iowa head coach Fran McCaffery gives a signal in the second half against Tennessee during a second round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Sunday, March 24, 2019. Tennessee won 83-77 in overtime. (AP Photo/Tony Dejak)

Tennessee's Jordan Bowden, right, and Lamonte Turner (1) celebrate after winning a second round men's college basketball game in the NCAA Tournament against Iowa, Sunday, March 24, 2019, in Columbus, Ohio. (AP Photo/John Minchillo)

Iowa's Tyler Cook, left, drives past Tennessee's Kyle Alexander in the first half during a second round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Sunday, March 24, 2019. (AP Photo/John Minchillo)

Iowa's Isaiah Moss, top, shoots over Tennessee's Admiral Schofield in the second half during a second-round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Sunday, March 24, 2019. (AP Photo/Tony Dejak)

Tennessee's Grant Williams, right, drives to the basket against Iowa's Joe Wieskamp in the first half during a second-round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Sunday, March 24, 2019. (AP Photo/John Minchillo)

Tennessee head coach Rick Barnes reacts in the second half against Iowa during a second-round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Sunday, March 24, 2019. (AP Photo/Tony Dejak)

Tennessee's Grant Williams, left, and Iowa's Connor McCaffery battle for the ball in the first half during a second-round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Sunday, March 24, 2019. (AP Photo/John Minchillo)

Iowa's Tyler Cook (25) drives to the basket against Tennessee's Kyle Alexander (11) in the second half during a second round men's college basketball game in the NCAA Tournament in Columbus, Ohio, Sunday, March 24, 2019. Tennessee won 83-77 in overtime. (AP Photo/Tony Dejak)