Friday night starters usually set the tone for what’s to come in a weekend series. For the most part, Eli Jones has done a solid job of giving South Carolina just what it needs each time out. But for the first time all season, Jones just didn’t have it on the mound. And on a night where a lot of other things went wrong, the No. 22 Gamecocks (21-9, 5-5 SEC) lost to No. 3 Texas A&M, 9-2, on Friday. [GamecockCentral for $1: In-depth coverage and a great community] Right out of the gate, the Aggies jumped all over Jones in the first inning. After a one-out walk, the right-hander gave up five strai…