Texas is undefeated in the SEC. After numerous penalties, turnovers, and reviewed plays, the No. 1 Longhorns defeated Mississippi State, 35-13, at Darrell K Royal-Texas Memorial Stadium on Saturday. This was the first football game as a member of the Southeastern Conference andArch Manning‘s second career start. The latest Manning performed well. [Join Inside Texas TODAY and get the BEST Texas Longhorns scoop!] Manning was a sharp 26-of-31 passing for 324 yards, and three touchdowns (two passing, one rushing). Deandre Moore was the recipient of two of those scoring passes, netting 103 yards re…