By Zach Koons The discipline is in connection with a January arrest. Chiefs linebacker Willie Gay Jr. has been suspended by the league for the team’s next four games for violating the NFL’s Personal Conduct Policy. The suspension is in connection with Gay’s January arrest in Overland Park, Kans., on a misdemeanor charge of criminal property damage of less than $1,000. According to the charging documents, per KCTV, Gay damaged a number of objects during an argument with his child’s mother, including a vacuum cleaner, a door frame and a wall. The incident was reportedly domestic-violence related…