Joshua Harter (born February 4, 1982), better known by his ring name Chris Sabin, is an American professional wrestler. He is signed to All Elite Wrestling (AEW), where he performs as one-half of the Motor City Machine Guns alongside Alex Shelley. After being trained by Scott D'Amore, Sabin debuted in 2000 for Border City Wrestling, and quickly began competing for numerous other independent promotions. In 2003, Sabin joined NWA: Total Nonstop Action (NWA-TNA), and quickly won the TNA X Division Championship, which he later unified with the WWA International Cruiserweight Championship. Throughout the next few years, Sabin competed mainly in TNA's X Division, until forming the Motor City Machine Guns with Shelley in mid-2007. Sabin won 14 total championships while with TNA, including one reign as TNA World Heavyweight Champion, a record 10 reigns as TNA X Division Champion, and three reigns as TNA World Tag Team Champion. Sabin is also known for his appearances with New Japan Pro-Wrestling, where he was a one-time IWGP Junior Heavyweight Tag Team Champion and one-time Strong Openweight Tag Team Champion, and Ring of Honor (ROH), where he was a one-time ROH World Tag Team Champion. Sabin, alongside Shelley, signed with WWE in 2024, and became former WWE Tag Team Champions before being released with Shelley in 2026. They signed with AEW that same year.