Goals from Richard Cresswell, Graham Alexander, Omar Daley and Simon Lynch gave Preston victory at Mansfield in the first round of the Carling Cup.
The visitors got off to a flier and were 2-0 up within 10 minutes through Cresswell and Alexander.
The visitors made it 3-0 after 31 minutes when Daley fired home on debut.
Lynch grabbed the fourth six minutes from time but Preston's night was slightly spoiled when Eddie Lewis was dismissed for a second yellow card.
Mansfield: Pilkington, Day, Baptiste, Artell, Dimech,
MacKenzie, Curtis (Tate 45), Murray, Corden, Larkin, Neil,
Tate (Herron 51).
Subs Not Used: White, Thomas Curle, Lloyd.
Preston: Lonergan, Alexander, Davidson, Mawene, Davis, Lewis,
O'Neil (McCormack 90), Etuhu, Daley (Jackson 80),
Smith (Lynch 82), Cresswell.
Subs Not Used: Ward, Lyng.
Sent Off: Lewis (85).
Booked: Lewis, Smith, O'Neil.
Goals: Cresswell 3, Alexander 9, Daley 31, Lynch 84.
Ref: P Prosser (W Yorkshire).