NFL season will be here before you know it. It starts with training camps in July and the Hall of Fame Game on July 31. As anticipation builds, catch up on everything you need to know with Frank Schwab's team previews countdown.

The Tennessee Titans closed out their rookie class by selecting Michigan running back Kalel Mullings in the sixth round. Mullings isn't the headliner in the class, but there's a chance he could have an impact as the third running back on the depth chart.