San Francisco had a chance to cut a 68-62 deficit to three in the final minute, but Parker's 3-point attempt from the top of the key glanced off the side of the rim. Young secured the rebound, was fouled, and made two free throws to put Saint Mary's up 70-62.
The Gaels held on, thanks to their going 8 for 8 from the free-throw line in the final 45 seconds. They were 24 for 27 for the game.
Both teams shot well, with San Francisco hitting 26 of 51 (51 percent) from the floor and Saint Mary's 25 of 50 (50 percent).
SMU has signed a second player from Australia, 6-foot-11 forward Harry Froling, to a national letter of intent. The Mustangs previously signed guard Tom Wilson from Australia.
There's nothing to suggest the Jayhawks won't end up atop the Big 12 for a 13th season in a row. But what about a return to the Final Four?
Colorado State graduate transfer John Gillon has chosen Syracuse, giving the Orange a potential starter at point guard entering the 2016-17 season.