A five-run fifth inning carried the Fort Worth Cats to a 10-6 victory over Brownsville and a split of a doubleheader that ended at 12:55 a.m. Friday at LaGrave Field.The Cats had lost the first game, scheduled for seven innings, 3-2 in 10 innings. They trailed in the second game 4-3 when Oscar Garcia keyed a one-out rally with a run-scoring double. Ryan Lashley, whose two-run double tied Game 1 at 2-2, singled in two runs to put the Cats ahead to stay 6-4. Lashley came around to score on a groundout, and Calvin Culver’s RBI single made it 8-4.Lashley’s two-run double in the fifth built Fort Worth’s lead to 10-4. He ended the doubleheader 5 for 6 at the plate with six RBIs and is hitting .475 in 11 games with the Cats.Recent Cats addition Sam DiMatteo was 3 for 4 in the twin bill. Cats first baseman Michael Chavez doubled in two runs in the first inning that helpeed give Fort Worth an early 3-1 lead.Dylan Rucker earned the victory with 2 1/3 innings of scoreless relief amid the Cats’ rally.In the opener, Derek Pyles led off Brownsville’s 10th with a single, stole second and scored on Jake Luce’s single. Right-hander Chase Johnson took the loss, giving up only the run in the 10th in three innings of relief. Brownsville’s Billy Young struck out the side in the bottom of the 10th.Fort Worth tied the game 2-2 in the fifth. Lashley doubled in two runs after a one-out walk to Cris Martinez and Oscar Garcia’s two-out double. The Cats host Brownsville at 7:05 p.m. Friday.