The Bills signed guard Quinton Spain to a one-year deal, according to a team announcement. Spain, who was previously with the Titans, started 48 games over four seasons with the club. 
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The Bills placed an emphasis on protecting young quarterback Josh Allen this offseason. So far, they’ve added center Mitch Morse, tackle Ty Nsekhe, guard Spencer Long, tackle LaAdrian Waddle, and guard Jon Feliciano in an effort to fortify the front five. The Bills might not be done yet – they could still add offensive linemen in the draft to shore things up.
Spain, 28 in August, earned a solid 75.6 score for pass blocking from Pro Football Focus last season.