In the SEC Coaches Teleconference on Wednesday, Texas head coach Steve Sarkisian discussed a few key topics ahead of Saturday’s matchup against the Vanderbilt Commodores. Here’s what Sark said and what fans need to know ahead of the Longhorns’ fourth SEC matchup and the first game off of a brutal loss against Georgia a week ago. [Join Inside Texas TODAY with code HOOKEM and get 50% off annual memberships!] Vanderbilt’s Improvement“I think for our team heading into this weekend’s matchup with Vanderbilt, this is a great test for us,” Sarkisian said. “Vanderbilt is much improved, and I think Cla…