The No. 1 Texas Longhorns took down the University of Louisiana-Monroe Warhawks, 51-3, on Saturday night from Darrell K Royal-Texas Memorial Stadium. Here’s how the team graded out via PFF. [Join Inside Texas TODAY and get the BEST Texas Longhorns scoop!] OFFENSEQB – Arch Manning, 57.5 In his first career start after Quinn Ewers was injured in the win over UTSA, Manning was a decent 15-of-29 passing, 258 yards, and two touchdown tosses. His two interceptions showed that he’s got that gunslinger style in him and is still a beautiful work in progress. RB –Jaydon Blue, 70.2 It was the Jaydon Blue…