FAYETTEVILLE, Ark. — When Arkansas' spring practice came to a conclusion Saturday following the Red-White Game, there was no surprise a decision on the starting quarterback wasn't announced. New coach Ryan Silverfield didn't hint at who is quarterback would be. Instead, he chose to praise both and address what they each bring to the table with different skill sets. What Silverfield is probably doing is allowing the battle to play out over the summer as separation can occur at any time. While AJ Hill has a year of experience in offensive coordinator Tim Cramsey's system, there's no substitute for KJ Jackson's experience on the field in SEC play, even in it's a six game sample size. What he showed under former Arkansas interim coach Bobby Petrino was above average pocket composure. There were times in his first extensive action after an injury to Taylen Green against Texas when the Longhorns would send maximum pressure off the edges to rattle a redshirt freshman, but he never took the bait.…