LJ Cryer ignited a 14-point comeback in the final 8:02, J’Wan Roberts made the go-ahead free throws and Houston stunned Duke 70-67 in a memorable Final Four clash between No. 1 seeds on Saturday in San Antonio.Cryer shot 6-of-9 from 3-point range and led the Cougars with 26 points, while Roberts had 11 points, 12 rebounds and five assists. Emanuel Sharp made massive plays down the stretch and finished with 16 points for Houston (35-4), which will face Florida in the national championship game on Monday.Cooper Flagg had 27 points, seven rebounds, four assists and three blocks for Duke (35-4) but was whistled for a foul with 19 seconds left that allowed Houston to move in front after the Blue Devils led most of the game.Houston outrebounded Duke 42-31 to make up for 37.7 percent shooting from the floor. Duke made just 39.4 percent of its shots after hitting at least 50 percent in each of its first four NCAA Tournament games.Duke appeared safe when Houston’s Joseph Tugler made contact with the ball when the Blue Devils were attempting an inbound with 1:14 to go. Duke received one technical foul shot and possession.Kon Knueppel (16 points) made the foul shot for a 67-61 lead, but Houston got a stop on Tugler’s block and Sharp made a major 3-pointer to cut it to 67-64.James’ inbound pass was stolen by Mylik Wilson, and Houston clawed within one on Tugler’s putback dunk with 25 seconds left. The Cougars then fouled Duke, Tyrese Proctor missed the front end of a 1-and-1 and Roberts drew a foul from Flagg on the rebound.