PFRA is a nonprofit organization dedicated to the history of professional football. Formed in 1979, PFRA members include many of the game's foremost historians and writers.
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https://mail.profootballresearchers.org/forum/viewtopic.php?t=4957
Nice knowledge drop! Even with only 14 teams at the time, the mathematical odds of this happening can’t be all that good. Now double, or more than double, the amount of teams and the unlikeness so much more so. I thought not too long ago, within the last ten years, a first loss for each team may have occurred by Week #5, maybe even #4. I notice that wiki shows week-by-week division leaders with their W/L records in the real early years, as the case with ’61, but not recent years. I don’t believe that there’s a site that’ll show standings for each and every week.Citizen wrote:A quick check shows that the most recent time that every team had lost once by the end of week 3 was 1961 (at least in the NFL).
Pretty nice! Thanks!