ENGLEWOOD, Colo. (AP) - Denver Broncos starting running back Montee Ball is sidelined with appendicitis.
Ball was scheduled for an appendectomy Monday afternoon.
Ronnie Hillman and C.J. Anderson shared snaps with the first-string offense at practice.
The Broncos haven't said how long Ball will be out, but it's a possibility that he'll miss the entire preseason.
In a tweet, Ball said, ''I appreciate the get well wishes everyone! I will be ok and come back stronger than ever!!''
Ball, who set an NCAA record with 83 touchdowns at Wisconsin, assumed the No. 1 running back job this offseason. He was Knowshon Moreno's backup last year and ran for 559 yards and four touchdowns in 2013.
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AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL
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Follow AP Pro Football Writer Arnie Melendrez Stapleton on Twitter: http://twitter.com/arniestapleton

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