WEDNESDAY, 9:04am: Ninkovich is expected to miss 4-6 weeks, a source tells ESPN.com’s Adam Schefter (on Twitter).
TUESDAY, 4:55pm: Ninkovich tore only his tricep muscle, meaning that no surgery is necessary, Ian Rapoport of NFL.com tweets. Ninkovich will start rehabilitating the muscle and, If all goes well, he could return by October.
4:54pm: Patriots defensive end Rob Ninkovich has torn one of his triceps muscles, Mike Reiss of ESPN.com tweets. It’s unclear how long Ninkovich could be sidelined with the injury, but one has to imagine that this will cost him a good chunk of the regular season. 
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Ninkovich, 32, has missed just one game since joining the Patriots in 2009. Each year, Ninkovich has been a key cog in the Pats’ front seven, racking up 42 sacks in that span. Last year, Ninkovich tallied 6.5 sacks and 52 tackles with 7 pass deflections.
This upcoming season is/was a critical one for Ninkovich as he is set to hit the open market after the 2016 campaign. This year, the veteran is slated to earn $4.75MM in total and, at his age, his next NFL contract could be his last.
Photo courtesy of USA Today Sports Images.
not good. hopefully all goes well