Welcome to SportsNation! On Thursday, ESPN Insider KC Joyner, will be here to answer your NFL questions.

Joyner, aka The Football Scientist, uses game film to track, tabulate and analyze nearly every measurable statistic in an NFL game. He is a regular Insider contributor and has his own website at thefootballscientist.com.

Send your questions now and join KC Thursday at 3 p.m. ET!

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