[1][2][3] Chang has also played for the Arizona Cardinals, Detroit Lions, Philadelphia Eagles, Rhein Fire, Hamilton Tiger-Cats and Winnipeg Blue Bombers.

Born in Waipahu, Hawaii, Chang attended St. Louis School in Honolulu and was an honors student and a three-year letterman in football and basketball.

As a member of the St. Louis School football team, Chang completed 464 passes for 8,001 yards and 113 touchdowns in his three-year career.

[4] Following high school, Chang played five seasons (2000–2004) for the University of Hawai'i Warriors where he started 50 of 53 career games at quarterback.

Chang completed 1,388 of 2,436 passes (57.0 percent) for 17,072 yards and 117 touchdowns, breaking the old NCAA Division I-A all-time records of 1,231 completions in 1,883 attempts by Kliff Kingsbury of Texas Tech University (1999–2002) and 15,031 yards by Ty Detmer of Brigham Young University (1989–91).

[5] Chang currently holds NCAA Football Bowl Subdivision all-time records for total plays (2,587), passes attempted (2,436), and interceptions (80).

[17] The Hamilton Tiger-Cats of the CFL acquired the negotiating rights to Chang in a February 12, 2007 trade with the Edmonton Eskimos.

He threw his first career CFL touchdown on July 14 during the Ticats 29–20 loss to Montreal, a 71-yard pass to Brock Ralph.

[29] Chang received a one-year extension to his contract on December 3, keeping him with the program through at least the 2026 season, which will be Hawaii’s first as a full member of the Mountain West Conference.