The Dons failed to get off a final shot.
Souley Boum gave the Dons a 65-64 lead on a layup with three seconds left and then fouled McClendon beyond the 3-point line to send him to the line for his first free throw attempts of the night.
McClendon -- who finished with eight points -- put Loyola Marymount (6-10, 1-4 West Coast Conference) ahead 64-58 with 69 seconds to go before Nate Renfro countered with a jumper, Jordan Ratinho made a 3 and Boum's layup.
Boum and Frankie Ferrari led San Francisco (10-8, 2-3) with 12 points each and Ratinho scored 11.
How far will Romeo Langford take IU? Can Sparty get back to the Sweet 16? Time to get ready for Big Ten hoops.
Tom Izzo and the Spartans should have a big season despite major roster changes. How will the rest of the Big Ten fare?
Jeff Borzello reports the details on Brian Bowen Sr.'s testimony admitting to receiving $1,300 from former Louisville assistant Kenny Johnson.