In one of the most anticipated games in recent college football memory, Texas redshirt freshman quarterback Arch Manning made his first career start on Saturday. His three touchdown passes and Jaydon Blue’s four total scores were the biggest factors in No. 1 Texas’ 51-3 win over Louisiana-Monroe from Darrell K Royal-Texas Memorial Stadium. Here’s what the players said. [Join Inside Texas TODAY and get the BEST Texas Longhorns scoop!] Arch Manning, QBHow would Manning grade his performance? “Probably a C+, but a win is a win.” On what he learned tonight: “Just continue to try and take what’s th…