Oakland A's spring game #1: In 8-2 loss to Angels, Marcus Semien impresses - Athletics Nation
A's reportedly offered Marcus Semien bizarre contract before he decided to sign with Blue Jays – KNBR
Marcus Semien Team Issued Red Jersey with 50th Anniversary Commemorative Patch
2014 Topps
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Marcus Semien Wins AL Gold Glove - Bluebird Banter
Marcus Semien Baseball Trading Card Database
Marcus Semien's potential suitors in free agency
Topps Marcus Semien Baseball Sports Trading Cards & Accessories for sale