Pepperdine 57, Houston Baptist 53
Pepperdine (2-2) also got 12 points from Jett Raines and 10 rebounds from Stacy Davis.
Raines scored Pepperdine's first two basket of the extra period, and Houston Baptist (3-2) couldn't catch up after that.
A layup by Art Bernardi with 59 seconds left and a free throw by Marcel Smith with 24 seconds left brought Houston Baptist closer, but a pair of free throws by Jackson with 17 seconds to go iced it for Pepperdine.
Bernardi and Tyler Russell each scored 14 points to lead Houston Baptist, and Dauson Womack grabbed 15 rebounds.