Iowa catches Nebraska with four players on the court and Alvaro Folgueiras leaks out for a layup plus the foul. (0:33) HOUSTON -- Nebraska coach Fred Hoiberg said a late-game blunder that left his team with only four players on the court before a critical three-point play in the final minute of Iowa's 77-71 win over the Cornhuskers in the Sweet 16 on Thursday night was his fault. With 58.8 seconds to play, Iowa's Kael Combs stood on the baseline to inbound the ball as his teammates pointed toward Alvaro Folgueiras -- who hit the game-winning shot in his team's upset over 1-seed Florida on Sunday -- who was racing down the court, wide open, before he scored on a critical layup and completed a three-point play to extend his team's lead to six points. It appeared that Nebraska's Rienk Mast was trying to check into the game before the shot, but he was too late. After the game, Mast was asked to explain that play, but Hoiberg intervened. "Put that one on me," he said.…