NFL officials and local police said Friday night the first-time all-star was hurt in a fight that injured three men, sending two to the hospital.
One man was arrested and five others are being investigated for assault, but not Williams, police said.
When asked whether Williams was being investigated for assault, Honolulu police spokeswoman Michelle Yu said: "I would not say that."
The league said the third-year pro will be on the sideline for the Pro Bowl game Sunday and won't lose his status as a member of the NFC team. Officials say he'll be paid a full Pro Bowl share.
Redskins teammate Jammal Brown said on Twitter that Williams needed seven stitches.
"Wasn't his fault. ... He did nothing wrong," Brown said.
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