Ex-NFL star Richie Incognito was arrested in Arizona on Monday after allegedly going berserk in a funeral home following the death of his father ... TMZ Sports has learned.
We're told ... the 35-year-old offensive lineman was talking with staffers at the funeral home when he suddenly exploded and began yelling at various people.
Cops were called to the scene to respond to an "out of control" Incognito. He was ultimately arrested for disorderly conduct and taken to a nearby station where he was booked and posed for a mug shot.