Principles behind pressuring opponents are incredibly important, and Marsch used a German-inspired acronym to describe the details in his time at the Red Bull network...
S.A.R.D.
Indeed, 21-year-old Aaronson leads the league in the pressures applied metric.
PPDA - Number of opposition passes allowed outside of the pressing team's own defensive third, divided by the number of defensive actions by the pressing team outside of their own defensive third. A lower figure indicates a higher level of pressing, while a higher figure indicates a lower level of pressing.
High Turnovers - Number of sequences that start in open play and begin 40m or less from the opponent's goal.
Sunday's super showing at home to Chelsea should be enough for people to take notice of Leeds.
After all, although they still sit third in the Premier League table, only a late collapse against Southampton has denied them a 100% start.
Marsch's side look more than up to the task of significantly bettering last season's efforts on the back of three imposing performances.
His Leeds press is swiftly becoming a pressing matter for any and all Premier League opposition, whatever Thomas Tuchel might have you believe.