Injury-riddled Washington Redskins line up visit with Adrian Peterson

Mike Jones | USA TODAY

Show Caption Hide Caption Who's in, who's out in the NFL playoffs this year? SportsPulse: We know it's still preseason but why not predict who'll be playing in January? Roughly half the playoff field will be different from last year so our very own Trysta Krick predicts the six teams that will be in and the six that will be out.

Now down to three healthy running backs, the Washington Redskins have begun exploring options on the free agent market. Team officials lined up visits with former Chiefs star Jamaal Charles and long-time Viking Adrian Peterson.

Charles, a 10-year veteran, visited Redskins Park on Sunday, and Peterson, an 11-year veteran and seven-time Pro Bowl selection, was slated to visit on Monday.

A person familiar with the situation said no signings were imminent as of Sunday evening.

Coach Jay Gruden told reporters after Sunday’s practice that the team is “covering our bases” while waiting to see how young backs Samaje Perine and Byron Marshall recover from injuries suffered in Thursday’s preseason game.

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Washington drafted LSU’s Derrius Guice in the second round, and he was a candidate for the starting job before tearing his ACL in the preseason opener.

Incumbent starter Rob Kelley, third-down back Chris Thompson and third-year pro Kapri Bibbs are the only healthy backs on the roster.