Kentucky played one of its most important games of the college football season on Saturday, only to play one of its most disappointing games of the Mark Stoops era on Saturday. Kentucky didn’t just lose to South Carolina in a need-to-win Week 2 matchup. Kentucky got dominated, losing 31-6. South Carolina, which barely beat Old Dominion a week ago, scored first and never looked back. The four-play, 61-yard touchdown drive sucked the life out of an energetic gameday atmosphere in Lexington, where Kentucky fans were eager to open SEC competition with a win over a league rival. Many of those fans …