He 's a candidate to have a breakout season if he can keep his spring momentum going into the regular season .
New shortstop Marcus Semien has been impressive in spring training hitting the ball hard and out of the park .
Marcus Semien 's a shortstop to have a breakout season if Marcus Semien can keep Marcus Semien 's spring momentum going into the regular season .
New shortstop Marcus Semien has been impressive in spring training hitting the ball hard and out of the park .