The NFL is investigating a Pittsburgh Steelers assistant coach for allegedly assaulting a New England Patriots fan during Thursday night's game, according to ESPN.

According to the ESPN report, Steelers tight ends coach James Daniel allegedly assaulted and verbally accosted the fan on the way to the locker room before halftime.

Daniel was seen allegedly kicking a Patriots fan in the back of his leg, according to ESPN.

A league official confirmed the NFL is aware of the incident and is looking into it, ESPN reports.

In addition, a Steelers spokesman said the team is also investigating, according to ESPN.