Oakland A's owe their resurgence to players like Marcus Semien

The A's Have Some Tough Qualifying Offer Decisions - MLB Trade Rumors

Marcus Semien's agent believes A's shortstop will get hefty free-agent deal

Marcus Semien on Playing for the Oakland A's - Sports Illustrated Oakland Athletics News, Analysis and More

A's Cast Live: Marcus Semien Discusses being a Ranger and His Future

Cal Baseball: Marcus Semien Makes a Brief Return to the Bay Area with Blue Jays - Sports Illustrated Cal Bears News, Analysis and More

How the A's can save face: Trade for Marcus Semien

Marcus Semien on Playing for the Oakland A's - Sports Illustrated Oakland Athletics News, Analysis and More

Being Swept in Doubleheader Doesn't Measure up to Possible Loss of Marcus Semienfor Oakland Athletics - Sports Illustrated Oakland Athletics News, Analysis and More

There's a lot to learn, but can these rookies lead the A's next resurgence?

Marcus Semien would be 'coveted' free agent; clock ticking for A's extension

Marcus Semien has become a legitimate leadoff hitter - Athletics Nation

Marcus Semien's agent believes A's shortstop will get hefty free-agent deal

Marcus Semien on Playing for the Oakland A's - Sports Illustrated Oakland Athletics News, Analysis and More

What going back to Oakland means for new Blue Jay Marcus Semien

I always believed I could do it': How A's shortstop Marcus Semien turned into a star