Panthers' coaching dilemma at the bye week is impossible to ignore

Carolina Panthers head coach Dave Canales | David Jensen/GettyImagesWhat do you do when your backup running back looks like a star, and your starter hasn’t done anything to lose his job?

A calf injury cost Chuba Hubbard two games and opened the door for Rico Dowdle’s anticipated Carolina Panthers' breakout. He put up 389 rushing yards in his absence. The Oklahoma State product returned only to take a backseat — at least until last weekend.

Against the Los Angeles Rams, Hubbard looked like the player Carolina invested in with a four-year, $32 million extension. He ripped off 83 rushing yards, added 41 more through the air, and turned a third-down swing pass into a 35-yard touchdown that…