FLORHAM PARK, N.J. (AP) — The New York Jets will have a busy backfield this season.

Le'Veon Bell is the star of the running backs group, of course. But, Ty Montgomery and Bilal Powell, and perhaps even Elijah McGuire and Trenton Cannon could all play significant roles in Adam Gase's offense.

Through four training camp practices, it has been clear that Gase likes the idea of mixing and matching his backs while using them in various ways. There could be multiple ballcarriers lined up at different spots on a given play, presenting a big-time challenge for opposing defenses.

"I can tell that in th...