All week, we’ve talked about how Vanderbilt was more susceptible to a letdown than Kentucky coming off the upset of No. 1 Alabama. Instead, it was the Cats who looked hungover tonight, turning in a bewildering, penalty-ridden clunker, their tenth loss to an SEC foe at Kroger Field in the last twelve tries. Mark Stoops shared his frustrations in his postgame press conference. By the time he made it to Tom Leach for his radio segment, he seemed even more at a loss for words about the 20-13 defeat. He said he asked his team why they’re not playing as well at home as they are on the road. The conv…