Sources: Panthers study other teams' approach for 2

The Carolina Panthers are dealing with issues that only teams with elite rushing attacks have had to tackle.

Because of Rico Dowdle 's recent production and Chuba Hubbard 's impending return Sunday, the Panthers want to find ways to use both running backs in the most effective manner.

Carolina recently has spent time studying and inquiring about how other teams with productive running back tandems have juggled the workload between two backs, league sources told ESPN.

The Panthers looked at how the Lions have worked with their talented tandem of Jahmyr Gibbs and David Montgomery and how the Seahawks did it with Kenneth Walker III and Zach Charbonnet when Carolina coach Dave Canales worked in Seattle.

There have been a slew of other two-player backfields that the Panthe