FLORHAM PARK, N.J. -- The New York Jets' backfield depth could be tested Sunday against the Jacksonville Jaguars.

Running back Matt Forte injured his left big toe last Sunday -- turf toe, he called it -- leaving his availability up in the air. The Jets aren't optimistic about his chances of playing, so they signed veteran Travaris Cadet as insurance.

Matt Forte has rushed for a team-high 94 yards but might not be available to the Jets on Sunday. Al Bello/Getty Images

"He could be ready by the end of the week or it will take another week, depending on how he feels," coach Todd Bowles said of Forte, who has rushed for a team-high 94 yards.

Forte said he has "no idea" if he'll play, but he acknowledged that his can be a troublesome injury that simply needs time to heal. He experienced turf toe (right foot) as a rookie in 2008 and didn't miss any games. Of course, he was 22 at the time; now he's 31 years old. Big difference when it comes to bouncing back from injuries.

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"It's tough to deal with because of the nature of your position at running back," said Forte, adding that this injury not as severe as the one in '08. "Obviously, there's a lot of pressure on the toes as you're running and making cuts, even blocking. I know it's tough to deal with. I've fought through it before."

Forte had been splitting reps almost evenly with Bilal Powell, with rookie Elijah McGuire picking up some scraps. Now the Jets will lean heavily on Powell, who is off to a sluggish start -- 72 yards on 28 carries, a 2.6 average.