Davis, defense help No. 11 Houston hold off Memphis 61-58

Memphis player Alex Lomax makes an attempt on goal under defense from Houston's Armani Brooks and Prison Gresham in the first half of an NCAA college basketball game at the American Athletic Conference tournament Saturday, March 16, 2019, in Memphis, Tenn. (AP Photo/Troy Glasgow)

Memphis Head Coach Penny Hardaway questions a call in the second half of an NCAA college basketball game at the American Athletic Conference tournament Saturday, March 16, 2019, in Memphis, Tenn. (AP Photo/Troy Glasgow)

Houston Head Coach Kelvin Sampson shouts to his players in the first half of an NCAA college basketball game at the American Athletic Conference tournament Saturday, March 16, 2019, in Memphis, Tenn. (AP Photo/Troy Glasgow)

Memphis' Isaiah Maurice drives the ball past Houston's Brinson Gresham in the first half of an NCAA college basketball game at the American Athletic Conference tournament Saturday, March 16, 2019, in Memphis, Tenn. (AP Photo/Troy Glasgow)

Memphis player Rayne Thornton tries to maintain control of the ball against Houston's Nate Hinton and Prison Gresham in the first half of an NCAA college basketball game at the American Athletic Conference tournament Saturday, March 16, 2019, in Memphis, Tenn. (AP Photo/Troy Glasgow)

Memphis players Rayne Thornton and Jeremiah Martin are stopped by Houston's Galen Robinson Jr and Prison Gresham in the first half of an NCAA college basketball game at the American Athletic Conference tournament Saturday, March 16, 2019, in Memphis, Tenn. (AP Photo/Troy Glasgow)

Memphis player Kareem Brewton pushes inside while defended by Houston's Corey Davis Jr. in the second half of an NCAA college basketball game at the American Athletic Conference tournament Saturday, March 16, 2019, in Memphis, Tenn. (AP Photo/Troy Glasgow)