Marcell Dareus moonlights as a windshield repairman to surprise a handful of Bills fans. Kim Klement USA TODAY Sports

Marcell Dareus has a pretty great day job as a defensive tackle for the Buffalo Bills. Not to mention, he's also one of the best at what he does.

If Dareus wasn't an All-Pro defensive tackle in the NFL, though, his fallback career may have been in the windshield repair industry. Dareus had his hand at fixing a few cracked windshields thanks to Safelite AutoGlass, while surprising a handful of unsuspecting Bills fans in the process.

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These fans went from writing a check to fix their windshield to getting a visit from an All-Pro and tickets to a Bills game. Talk about a mood shift.

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