2018 Detroit Tigers Mike Fiers #50 Game Used Grey Jersey MLB Ribbon Removed 01
2018 Detroit Tigers Mike Fiers #50 Game Used White Jersey DP15268
John Racanelli – SABR's Baseball Cards Research Committee
2019 Oakland A's Athletics Mike Fiers #50 Game Issued Grey Jersey 150 & PS P 51
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Jerseys, Baseball-MLB, Game Used Memorabilia, Sports Mem, Cards & Fan Shop - PicClick
John Racanelli – SABR's Baseball Cards Research Committee
2010 MIL Media Guide, PDF, Sports
2010 MIL Media Guide, PDF, Sports
Fiers hi-res stock photography and images - Alamy
2018 Detroit Tigers Mike Fiers #50 Game Used Grey Jersey MLB Ribbon Removed 01
2019 Oakland A's Athletics Mike Fiers #50 Game Issued White Jersey 150 P 451