From that point the Wildcats scored 56-straight points to run away with the game.
Whitehouse led comfortably, 35-7, at halftime and stretched their margin to 56-7 with 2:45 to go in the third stanza.
Jacksonville's remaining touchdowns came on short runs by McCown, one in each of the final two periods,with Travis tacking on the PAT on each occasion.
Jacksonville had 370 yards of total offense, despite missing out on a couple of scoring opportunities in the first half.
However, the Wildcats offense punished the youthful Tribe defenders by rolling up 754 total yards, which were highlighted by 401 yards of rushing.
McCown finished up 16-31-2 for 194 yards via the air with Lane leading Jacksonville in receiving (6-107).
Mahomes went 15-23-2 for 346 yards and two scoring strikes.
Whitehouse came into the game averaging 588 yards a game in total offense.
Stacy Cummings also had an interception for Jacksonville, which came in the second period.
Jacksonville 7 0 7 7 — 21
Whitehouse 7 28 21 14 — 70
J-Claude Franklin 12 pass from Carter McCown (Ryan Travis kick),6:53
W-Vincent Dunning 55 run (Travis Blackburn kick), 6:27
W-Patrick Mahomes 3 run (Colby Crim kick), 11:25
W-Ryan Cheatham 23 pass from Mahomes (Blackburn kick), 7:04
W- Dominique Hollie 4 run (Crim kick),4:18
W- Jaylon Dews 7 pass from Mahomes (Crim kick), 1:18
W-Shemar Smith 33 run (Crim kick), 9:35
W-Mahomes 40 run (Crim kick), 5:59
W-Isaiah Burton 40 interception return (Crim kick), 2:45
J-McCown 6 run (Travis kick), :59
W-Smith 2 run (Crim kick), 10:50
W-Hollie touchdown run (Crim kick), 6:54
J-McCown 8 run (Travis kick), :50