head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Practiced Mastery
A retro gridiron sim mixing input timing with play-call guessing against an opponent.

Execution · Competitive PvP
Shot timing and play selection against opponents adjusting to your tendencies.
ABC Monday Night Football leans Execution (Practiced Mastery); NBA 2K14 leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
ABC Monday Night Football
Timing passes, jukes and tackles demands controller precision
NBA 2K14
Shot release timing and dribble chains gate scoring
NBA 2K14 leans a little harder on reads, though the gap is small.
ABC Monday Night Football
Two-player matches involve guessing the human's play call
NBA 2K14
Online opponents counter your favourite plays
ABC Monday Night Football leans a little harder on variance, though the gap is small.
ABC Monday Night Football
Fumble and catch rolls add bounded football randomness
NBA 2K14
Shot RNG sways close possessions
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
ABC Monday Night Football
Play-calling and roster knowledge form a solvable layer
NBA 2K14
Playbook knowledge and roster management reward study
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.