Bill Callahan

Head coach, Nebraska, 2004 to 2007

Now

Career arc

Stature score reached, by season of his head-coaching careerNebraskaIowaIowaColoradoColoradoDynastythe sport's summitBlue Bloodpermanent top tierPower Programperennial contenderNational Programrespectable, streakyNebraska when he took over: 77.8 (Blue Blood), its final 2003 readingtook overNebraska, 2004: 5-6, Blue BloodNebraska, 2004: 5-6, Blue Blood20045-6Nebraska, 2005: 8-4, Blue Blood20058-4Nebraska, 2006: 9-5, Blue Blood20069-5Nebraska, 2007: 5-7, Blue BloodNebraska, 2007: 5-7, Blue Blood20075-7-10.4best: 2004gray dashed: rival programs · ○ the program when he took over · Dashed segments are program changes — spacing is not proportional to calendar time

Bowls and playoffs: 1-1

2005Alamo BowlW 32-282006Cotton BowlL 14-17

Report card

Above the median offense — 58th percentile.

Nebraska, every completed season graded against the whole field, then averaged.

Offense

B-
of which —58th
efficiency — 58th percentile success rate, 2004–07
C+49th
Standard-downs success
B67th
Passing-downs success
B67th
Trench push (line yards)
D29th
Red-zone scoring rate
C+48th
Power-success (short yardage)
D21st
Ball security (giveaways per game)

Each season is his team’s percentile among every team with that stat (the share it beat), averaged over his completed seasons here; a mid-season takeover year and the season in progress aren’t graded. Letters: A+ 90th percentile and up, A 80, B+ 70, B 60, B− 50, C+ 45, C 40, C− 30, D 15, F below.