Texas Rangers second baseman Marcus Semien has been struggling at the plate to kick off his career with his new team. Over 17 games, he's slashing .176/.247/.235 with four doubles, two stolen bases, six RBI and nine runs scored. He has yet to hit his first home run as a Ranger. The 31-year-old has a hard-hit rate of just 25.5% so far this year, down from 41.3% last year. Additionally, his average exit velocity is just 86 mph, a notable decrease from his 89.7 mph average exit velocity last year....