The USC Trojans are in serious trouble. After losing to the Maryland Terrapins on Saturday night and blowing yet another fourth quarter lead, fans and former football alumni are furious. And they’re really starting to dial the heat up on Lincoln Riley and the Trojans’ coaching staff. Former Trojan great Matt Leinart sounded off on Twitter and LenDale White didn’t hesitate to join him. The former USC running back unloaded on the program and Lincoln Riley. “It’s been 20 years of straight s**t and mediocrity and all y’all “motherf–ckers wanna do is post some s**it on the Internet….all that chasin…