Goals from David Martin and Jason Price moved Millwall to within three points of second-placed Peterborough and an automatic promotion place.
Martin was brought down in the box on 21 minutes and Joe Lewis twice saved Gary Alexander spot-kicks, only to be penalised for coming off his line.
Martin fired the third attempt into the top corner.
On 58 minutes, winger Martin crossed from the left for Price to stroke the ball into the roof of the net.
Please turn on JavaScript. Media requires JavaScript to play.
Millwall: Forde, Duffy (Fuseini 74), Craig, Whitbread, Barron, Laird, Bolder, Abdou, Price, Alexander, Martin. Subs Not Used: Pidgeley, Harris, Grabban, Hackett.
Booked: Alexander.
Goals: Martin 25 pen, Price 58.
Peterborough: Lewis, Martin, Zakuani, Lee, Blackett (Westwood 46), Whelpdale (Batt 61), Coutts, Keates, Boyd (Green 79), Mclean, Mackail-Smith. Subs Not Used: McKeown, Torres.
Booked: Mclean, Lee.
Att: 10,518
Ref: Andy Woolmer (Northamptonshire).
What are these?
Print Sponsor
Bookmark with:
What are these?