FAYETTEVILLE, Ark. — Tennessee appears to be down two wide receivers after the fourth-ranked Vols were upset 19-14 by Arkansas Saturday night at Donald W. Reynolds Razorback Stadium. Bru McCoy was injured in the first half and appeared to have his right hand in either a cast or heavy wrap on the Tennessee sideline in the second half. Squirrel White was in a sling after leaving the game with an injury in the second half. “I don’t (have an update),” Tennessee coach Josh Heupel said during his postgame press conference. “We’ll see as we go.” Tennessee (4-1, 1-1 SEC) struggled to get anything goin…