Not all of them but quite a few did hurt.
OSU 42
Oregon 20
Mark Helfrich never got the momentum back and got fired 2 years later
ND 3
Clemson 30
Brian Kelly left them the following season
OSU 24
Bama 52
Clemson 44
Bama 16
These two were national title games, so not apples to apples with us because they at least won the first round... But Ryan Day hasn't beaten Michigan since and has been on the hot seat despite winning 10+ games a year.
Clemson 31
OSU 0
After this game, Urban lost his mojo, never made it back to the playoffs, and was "forced out" 2 years later.
Oklahoma 28
LSU 63
Lincoln Riley never made the playoffs again after this and has been regressing every year, at OU and now at USC.
Michigan st 0
Bama 38
Mich State went 3-9 the following year
FSU 20
Oregon 59
FSU never made the playoffs since, Jimbo didn't win the conference the following year, and was forced out of town 3 years afterwards
TCU 7
Georgia 65
TCU went 5-7 the following year