Oakland A's Marcus Semien a transformed hitter for A's after

Marcus Semien gives A's a spark with homer in Game 2 win

The 'Moneyball' A's Find a New Inefficiency: Other Teams' Players - WSJ

Constant pitching changes rendering MLB playoffs unwatchable

Marcus Semien one of MLB's best hitters in second half - Athletics Nation

The Oakland A's Have Managed To Exceed Expectations … Again

Luis Arraez (.401 AVG) and Marcus Semien (25-game hit streak) have us wondering … Which feat is more impressive: batting .400 over a full season or a 56-game hitting streak? : r/mlb

Athletics offseason report: Promising faces but no stadium yet