This conference championship game was played on December 21 at Briggs Stadium in Detroit; the winner then traveled to play the American Conference champion Cleveland Browns on December 28 in the NFL Championship Game.
The defending champion Rams did not have the services of rookie sensation Night Train Lane, who injured his ankle in the season finale.
Three-point favorites at home in muddy fog, Detroit prevailed over the Rams to return to the NFL Championship for the first time in 17 years.
Pat Harder had two touchdown runs to bolster a 14–7 lead before kicking extra points on two Lions touchdowns in the second half to go with a field goal, with Bob Hoernschemeyer closing out the scoring for good on a 9-yard run.
Detroit had four interceptions from Bobby Layne, but Los Angeles lost two fumbles and suffered a late fourth quarter interception thrown by Bob Waterfield while being outgained in both rushing and passing.