Toronto Blue Jays second baseman Marcus Semien popped his 19th long ball of the season during the club's 9-3 victory over the Mariners on Tuesday. He finished the day going 3-for-5 with a two-run double in the first to get the scoring started, and he followed that up by slugging a three-run bomb in the seventh to blow the game open. Semien hasn't budged off the leadoff spot since George Springer has returned to the lineup, and it's looking likely that he'll remain in that spot as long as his ...