The inbounds lines or hashmarks were moved from 15 yards away from the sidelines to nearer the center of the field-20 yards from the sidelines.
Brooklyn and Boston merged into a team that played home games in both cities and was known simply as The Yanks. The team was coached by former Boston head coach Herb Kopf. In December, the Brooklyn franchise withdrew from the NFL to join the new All-America Football Conference; all the players on its active and reserve lists were assigned to The Yanks, who once again became the Boston Yanks. Halas rejoined the Bears late in the season after service with the U.S. Navy. Although Halas took over much of the coaching duties, Anderson and Johnsos remained the coaches of record throughout the season.
Steve Van Buren of Philadelphia led the NFL in rushing, kickoff returns, and scoring.
After the Japanese surrendered ending World War II, a count showed that the NFL service roster, limited to men who had played in league games, totaled 638, 21 of whom had died in action.
Rookie quarterback Bob Waterfield led Cleveland to a 15-14 victory over Washington in the NFL Championship Game, December 16.