It was a no-good rotten day at the yard for Sooners baseball. And a marathon at that. Texas hit six home runs in the second game of the double-header, tying a program record for home runs in a game, to win the series with a 12-10 win in seven innings. A frustrating day for Oklahoma (26-16, 16-6), who dropped the twin bill after seeing its nine-game winning streak snapped in the first game of the double-header. And the second game being called by the Big 12 after an hour and twenty-eight-minute rain delay that approached 10 p.m. HORNS LONG BALL THE DIFFERENCE Grant Stevens’ first-career start a…