Sam Cozart and Brett Crossland have long headlined a deep crop of talented freshmen in Texas baseball’ s bullpen this season. And understandably so, as both have already emerged as bona fide stars and high-leverage arms the Longhorns consistently trust. But the depth goes beyond those two freshman standouts, as fellow rookie Brody Walls has been making considerable noise in recent weeks. That hype only intensified Tuesday night against UTSA. Despite all the blown leads, defensive mistakes and enough offense to power an entire weekend series, the freshman right-hander delivered one of the most important outings of his young career in Texas’ 11-8 comeback win over the Roadrunners. “Brody was awesome,” head coach Jim Schlossnagle said postgame. “Tinney’s homer was huge, but Brody was the story.” And honestly, it’s hard to argue otherwise.…