Matt Gatens had 10 points and seven assists for the Hawkeyes (2-0), who blew a 12-point halftime lead but hit 14 of 15 free throws in the second half to avoid the upset.
Tucker buried a deep 3 with 1:47 left to put Iowa ahead 67-62. The Hawkeyes got the ball back after Devin Gibson misfired from beyond the arc, but Omar Johnson buried a 3 in transition after an Iowa turnover to make it 67-65 with 33.1 seconds left.
Gatens hit two free throws to push Iowa's lead back to four, and the Roadrunners turned it over off a missed Gibson free throw with 11 seconds left.
Texas-San Antonio (0-2) opened the second half with a 13-4 run to pull within 44-41. Iowa pushed it back to 50-41 before the Roadrunners responded with a 16-4 run, highlighted by a pair of Joey Shank 3s, to take a 57-54 lead with 7:48 left.
Johnson scored 17 to lead Texas-San Antonio. The teams combined for 35 turnovers.
Nike Men's Iowa Hawkeyes ELITE Basketball KO Performance Black Pullover HoodieShop
Leaving early for the NBA is a risky decision. Some players -- Skal Labissiere, Dejounte Murray -- slid in the draft. Some -- Isaiah Taylor, Troy Williams -- weren't drafted at all.
College basketball coaches across the country will hit the recruiting trail hard in July to target the Class of 2017's top prospects. Which players are the nation's top programs targeting?
The Tar Heels could lose Justin Jackson and Kennedy Meeks after next season. Coach Roy Williams has nearly every top-10 2017 prospect on his board.
|Texas San Antonio||3-15||13||5-27|