'My scar, not your scar': Tuchel stands by England semi-final subs but admits wrong timing
Coach says Argentina’s gung-ho approach forced hand

TL;DR
- Thomas Tuchel defends his decision to make defensive substitutions in the World Cup semi-final loss to Argentina.
- He admits the substitutions were made too early.
- Tuchel felt England was under immense pressure from Argentina's aggressive attacking tactics.
- Fatigue and the success of a back five in previous games influenced his choices.
- He believes his interventions were aimed at helping the team, not personal ego.