Arkansas pitcher Mason Molina is returning to the starting rotation against Kentucky in a rubber match between two Top 10 teams on Sunday. And the formula his head coach wants him to follow is simple. Coming off a tweaked ankle, Molina just needs to focus on attacking the zone with his fastball, head coach Dave Van Horn said after Saturday’s loss for the Razorbacks. “Just to go out and attack, make them earn everything,” Van Horn said. “Throw his fastball for a strike. If he does that, he’ll be in good shape.” Ahead of the weekend, Van Horn was looking for Molina to make the Sunday start, but …