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Here are five players looking to answer big questions at this week's NFL Combine.

JOSH ALLEN, QB, WYOMING

Allen wows scouts with his arm talent, much like Matthew Stafford did nearly a decade ago. But his accuracy is being questioned after an underwhelming draft year, so his work in throwing drills at the combine will be heavily scrutinized by quarterback-hungry teams at the top of the draft.

BAKER MAYFIELD, QB, OKLAHOMA

Mayfield has questions to answer on the field, too, given his size (under 6-foot-1) and the system he played in at Oklahoma. But the reigning Heisman Trophy winner faces a bigger challenge in interviews, where he’ll need to convince teams his maturity won’t be an issue after a multiple incidents in college raised character concerns.

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ARDEN KEY, DE, LSU

Key is arguably the draft’s biggest wild card, given his recent injury history – his combine medicals are hugely important – and a leave of absence he took from his team last offseason. Still, thanks to some coveted physical traits – tremendous length, and a good combination of power and speed – he’s an enticing prospect in a class that’s short on pass rushers.

CONNOR WILLIAMS, OT, TEXAS

The college game isn’t producing offensive linemen the way it used, so Williams will get a long look from teams desperate for tackle help. A knee injury torpedoed his 2017 season, so both the medical evaluations and the on-field workouts will help decide his draft fate.

MARK WALTON, RB, MIAMI (FLA.)

Walton turned heads early last season but a serious ankle injury raised doubts about his future. He’s expected to be a full participant at the combine, and his stock as potential mid-round sleeper in a deep running back class may hinge on how well he checks out in Indianapolis, both on and off the field.

john.niyo@detroitnews.com

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