Arkansas pulled off an upset Saturday, hanging on for a 19-14 victory against Tennessee in Fayetteville. The Razorbacks used a big performance from their defense to hold on for the victory and improve to 4-2 (2-1 SEC on the season). Arkansas trailed late in the fourth quarter before a touchdown from backup quarterback Malachi Singleton proved the go-ahead score for the win. Singleton entered the game following a late injury to Taylen Green and proved the hero. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! The Razorbacks rushed the fiel…