Filed under: Videos Charles Sims talks Bucs role, Doug Martin, adjusting to NFL life New Bucs RB Charles Sims opens up about his NFL experience thus far. By Danny Kelly Jun 10, 2014, 3:26pm PDT / new Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: Charles Sims talks Bucs role, Doug Martin, adjusting to NFL life Reddit Pocket Flipboard Email