Other football leagues in 1947:    
AAFC
Tie-breaker
NFL Champ.
PHI 21
PIT 0
CHI 28
PHI 21
Champ
CHI
1947 NFL Champion Chicago Cardinals
z: best record, c: conference winner, y: division winner, w: wildcard, x: clinched playoff spot

Tiebreaker Game

DateAwayScoreHome
12/21Philadelphia 21-0 Pittsburgh

NFL Championship

DateAwayScoreHome
12/28Philadelphia 21-28 Chicago