Houston head coach Kelvin Sampson yells from the sidelines during the first half of a men's NCAA tournament college basketball Midwest Regional semifinal game against Kentucky Friday, March 29, 2019, in Kansas City, Mo. (AP Photo/Orlin Wagner)

Houston head coach Kelvin Sampson speaks during a news conference at the NCAA men's college basketball tournament Thursday, March 28, 2019, in Kansas City, Mo. Houston plays Kentucky in a Midwest Regional semifinal on Friday. (AP Photo/Orlin Wagner)

Houston head coach Kelvin Sampson speaks during a news conference at the NCAA men's college basketball tournament Thursday, March 28, 2019, in Kansas City, Mo. Houston plays Kentucky in a Midwest Regional semifinal on Friday. (AP Photo/Jeff Roberson)

Houston head coach Kelvin Sampson talks to his players during practice for the NCAA men's college basketball tournament Thursday, March 28, 2019, in Kansas City, Mo. Houston plays Kentucky in a Midwest Regional semifinal game on Friday. (AP Photo/Charlie Riedel)

Houston head coach Kelvin Sampson listens to a question during a news conference at the NCAA men's college basketball tournament Thursday, March 28, 2019, in Kansas City, Mo. Houston plays Kentucky in a Midwest Regional semifinal on Friday. (AP Photo/Jeff Roberson)

Houston head coach Kelvin Sampson yells from the sidelines during the first half of a men's NCAA tournament college basketball Midwest Regional semifinal game against Kentucky Friday, March 29, 2019, in Kansas City, Mo. (AP Photo/Charlie Riedel)