Texas Rangers shortstop Corey Seager (5) throws to first to complete a double play after forcing out Seattle Mariners’ Dylan Moore (25) at second, as second baseman Marcus Semien, left, watches during the sixth inning of a game July 15 in Arlington. Tony Gutierrez / Associated Press
Stephen Hawkins Associated Press ARLINGTON — When Marcus Semien was struggling at the plate during his first two months with the Texas Rangers, manager Chris…