ARLINGTON – As the Rangers were scoring 11 runs in the third inning Monday night, Jake Elmore was told to prepare to pitch. Then, backup catcher Carlos Corporan began feeling concussion-type symptoms, prompting Bo Porter to use Elmore behind the plate before sending him to the mound in the eighth. Elmore, a utility infielder, proved to be the Astros’ most effective reliever as the Rangers opened the three-game series with a 16-5 victory at Rangers Ballpark. On the same day he caught in the majors for the first time, he also made his pitching debut. With Jason Castro serving as the designated hitter, Porter turned to Elmore because he didn’t [...]