The Kansas City Chiefs will go without the services of Donnie Avery on Sunday -- and perhaps much longer.
The team's No. 2 wide receiver is scheduled to undergo sports hernia surgery and won't be on the field for Sunday's road game against the San Francisco 49ers, per ESPN.com's Adam Teicher.
It's unclear how long Avery will be shelved, but sports hernia procedures can require a recovery period ranging from two weeks to two months. Avery's absence propels former Niners first-round pass-catcher A.J. Jenkins into the starting lineup across from Dwayne Bowe.
Kansas City had no trouble moving the ball in a Monday night rout of the Patriots, but losing Avery raises questions about the team's shaky depth at wideout.
Frankie Hammond should see plenty of time behind Jenkins and Bowe, while freaky play-making tight end Travis Kelce will be counted on from start to finish against San Francisco's seventh-ranked passing defense.
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