Two half brothers got into a fight in the middle of McMinnville Highway Monday. According to Cannon County Sheriff Department Reports Johnny Mathis stated that he was traveling west on McMinnville Hwy in the 6000 block when out of nowhere his half brother Dustin Mathis pulled in front of him and cut him off. After causing Johnny to stop, Dustin exited his vehicle approached Johnny and allegedly tried to pull him out of the driver side window. Dustin pulled a knife and cut Johnny several times on his left arm and chest. During the assault Johnny Mathis also suffered an abrasion above his right eye. Allen Ferrell who was a passenger in Johnny’s vehicle got out to defend Johnny and when he did Dustin returned to his car and left. Johnny Mathis went to the Stones River Hospital Emergency Room for medical assistance. HE was treated for several lacerations and later released. A warrant was issued for Dustin Mathis for aggravated assault with the court date set for June 2nd.