Broncos' Miller to undergo knee surgery
Miller's rehab is expected to take six to nine months, meaning he could miss the start of the Denver Broncos' training camp next summer.
Miller's right knee buckled when he was blocked cleanly by Texans tight end Ryan Griffin in Denver's 37-13 win at Houston on Dec. 22.
That ended a rough season for the 2011 NFL Defensive Rookie of the Year, one that began with him serving a six-game drug suspension. He finished with five sacks in nine games.
Nate Irving has filled in at strongside linebacker in the base defense and defensive end Robert Ayers has subbed for Miller on passing downs.
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