1983 USFL season

The 1983 USFL season was the inaugural season of the United States Football League.

Rules differences from NFL

 * Optional 2 point conversion after touchdown (the NFL would add this rule in 1994).
 * Optional 1 inch kicking tee for extra points and field goal attempts.
 * Clock stop on first downs within the last 2 minutes of the 2nd and 4th quarters.
 * Intentional and unintentional pass interference.
 * Six member officiating crew (no side judge).
 * The USFL game ball was $3/8$ inch (1 cm) shorter than the NFL game ball (both made by Wilson).
 * There were no preseason games.

Expansion cities for 1984
During the 1983 season, the USFL announced expansion cities for the 1984 season.
 * Pittsburgh April 28
 * San Diego May 16; moved to Tulsa July 7
 * Houston May 19
 * Jacksonville June 14
 * San Antonio July 11
 * Memphis July 17

Regular season
W = Wins, L = Losses, T = Ties, PCT= Winning Percentage, PF= Points For, PA = Points Against

 = Division Champion, = Wild Card

Michigan won the tiebreaker with Chicago based on season series 2-0-0