On June 26, 2010, Baltimore became the first team in AIFA history to finish the regular season undefeated with a record of 14–0. Baltimore went on to win the AIFA Championship and complete their undefeated season with a 57–42 victory on July 25, 2010 over the Western Conference champions, the Wyoming Cavalry. In winning AIFA Bowl IV, the Mariners not only brought the city of Baltimore its first pro indoor football title, but also increased the city's number of overall pro football championships to eight (Baltimore Colts (NFL) in 1958, 1959, 1968, and 1970;Baltimore Stars (USFL) in 1985; Baltimore Stallions (CFL) in 1995;Baltimore Ravens (NFL) in 2000 and 2012; and, Baltimore Mariners (AIFA) in 2010).