Muthead
The Ability data below is for the maximum available upgrade tier.

X-Factor Ability Slot

Fearmonger
Unstoppable Force
Reinforcement
Run Stuffer
Momentum Shift

Superstar Ability Slot 1

Homer
Clutch
Indoor Baller
Secure Tackler
Unfakeable

Superstar Ability Slot 2

Homer
Clutch
Indoor Baller
Under Pressure
Secure Tackler
Reach Elite
Unfakeable
Goal Line Stuff
Out My Way

Superstar Ability Slot 3

Homer
Clutch
Indoor Baller
Run Stopper
Under Pressure
Enforcer
Secure Tackler
Reach Elite
Unfakeable
Strip Specialist
Goal Line Stuff
Inside Stuff
No Outsiders
Out My Way
Lumberjack