Dundee held their lead from two first-half goals to earn their first home win over Rangers in 25 years.
Owen Coyle hopes Blackburn Rovers can use their effort against Man United as a catalyst to avoid relegation to League One.
Four players scored for Roma in a dominant victory over Torino at the Stadio Olimpico.
Jose Mourinho says Manchester United needed everyone to be focused to fend off Blackburn in their FA Cup win.
Davy Klaassen's 15th goal across all competitions gave Ajax their sixth straight Eredivisie win at the expense of Vitesse.
Zlatan Ibrahimovic came to Man United's rescue with the game-winner to down Blackburn.