Coaches with two SB/NFL championships - make it make sense please

[saturdaysarebetter]

Coach A: 11 years, 114-62 .648 winning percentage, 10-5 post-season .667 winning percentage, 8 winning seasons, 9 non-losing seasons
Coach B: 15 years, 104-75-9 .581 winning percentage, 3-1 post-season .750 winning percentage, 10 winning seasons, 11 non-losing seasons
Coach C: 12 years, 97-87 .527 winning percentage, 8-3 post-season .727 winning percentage, 6 winning seasons, 7 non-losing seasons
Coach D: 20 years, 170-150 .531 winning percentage, 12-7 post-season .632 winning percentage, 10 winning seasons, 12 non-losing seasons
Coach E: 20 years, 170-138 .552 winning percentage, 8-6 post-season .571 winning percentage, 10 winning seasons, 13 non-losing seasons

Coach C is in the hall of fame.
He had the lowest regular season winning percentage of the five.
He had the lowest number of winning seasons and tied for the lowest rate of winning seasons (50%) of the five.
He had the lowest number of non-losing seasons and the lowest rate of non-losing seasons (58%) of the five.
Coach B had a higher winning percentage, a higher post-season winning percentage, a higher rate of winning seasons and a higher rate of non-losing seasons than Coach C.

Coach A is George Seifert
Coach B is Buddy Parker
Coach C is Tom Flores
Coach D is Tom Coughlin
Coach E is Mike Shanahan

Make it make sense please.