The biggest QB battles in college football

The dawn of spring practice brings competitions all over the field, including at the most important position, quarterback.

For reigning national champion Clemson, the spring means starting life without Deshaun Watson, the greatest player in program history. But Dabo Swinney's team is among the few title contenders entering the spring with questions at quarterback.

Among teams in Mark Schlabach's latest way-too-early Top 25, only four have truly open quarterback races. A few other races feature a clear favorite but most teams bring back their QB1's.

Here's what we're hearing about the wide-open quarterback competitions for Top 25 teams and the ones with clear-cut favorites, plus a few other notable races for non-Top 25 squads.