Five-star running back Raleek Brown committed to Southern California and new coach Lincoln Riley on Thursday, a day after decommitting from Oklahoma.Brown, who plays at powerhouse Mater Dei in nearby Santa Ana, Calif., committed to Riley and the Sooners on Feb. 5. But Riley’s decision over the weekend to leave Oklahoma for USC gave Brown second thoughts about the Sooners.”Momma I’m Staying Home… Los Angeles let’s turn it up a lil #FightOn #GoTrojans,” the 5-foot-8 back tweeted Thursday afternoon.The 247Sports composite lists Brown as the No. 2 running back and No. 34 player nationally in the Class of 2022.Brown told 247Sports that Riley’s move to USC cemented his decision.”Lincoln Riley, that’s my guy,” Brown said. “… I was shocked he was leaving, but then excited he was coming to USC.