Sunday's matchup between ranked SEC foes Oklahoma and Arkansas followed much of the same script as Saturday's come-from-behind win for the Razorbacks , albeit with a slightly different ending. "Slightly?" More like a "grand" ending. With the Razorbacks answering every hit and run, tying the game in the sixth at seven, Drew Dickerson — who had already homered earlier in the game — understood the assignment. The Sooners had just taken a 9-7 lead with two outs but as Arkansas showed yesterday, that's not enough cushion. Dickerson obliged by sending a ball out of Baum-Walker Stadium with bases loaded, a grand slam. Finally, Skip Johnson's crew could catch their breath in Fayetteville. Oklahoma pitcher Cord Rager | Carson Field, Sooners On SI Cord Rager's day began on a high note. With four strike outs against the first eight batters, Rager helped the Sooners enjoy an early lead.…