Earlier this week, SMU picked up a commitment from Cole Leinart, a junior quarterback out of Los Angeles Redondo Union. Leinart, the son of former Heisman Trophy winner, national champion and first-round NFL Draft pick Matt Leinart, is a three-star prospect and became the second member of the Mustangs’ 2026 recruiting class. The 6-foot-3, 180-pounder was on the Hilltop last weekend and watched SMU take down Pitt in a big ACC matchup. Just a few days later, he pledged to Rhett Lashlee and Co. “I love the culture, what they are building, the coaches,” Leinart told On3’s Steve Wiltfong of his dec…