Marshall will reportedly miss at least three weeks with an elbow injury sustained during Friday night's preseason game.
A seventh-round pick who is battling for a roster spot, Marshall suffered injuries throughout his college career at Georgia.
Kelley started the game against Buffalo because Matt Jones was sidelined with a sprained shoulder. The Redskins hope Jones will be available for the Sept. 12 opener against Pittsburgh.
What we think: Bummer for Marshall, but this could be the best of both worlds for the Redskins. The only reason I'm saying Marshall has "likely fallen behind" Kelley is it's possible general manager Scot McCloughan and head coach Jay Gruden might have different opinions on which back they prefer. Otherwise, Kelley has impressed the most and received the most praise from teammates and coaches. If the Redskins keep only three backs, Kelley joins Jones and Chris Thompson. Now Washington might be able to stash Marshall, who ran the fastest 40-yard time at the NFL Combine, rather than release him.
The Redskins return to practice Monday. Gruden is scheduled to hold a press conference following practice.
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