REPORT: Wigan Athletic 2 Crewe Alexandra 0
and live on Freeview channel 276
Leam Richardson's men had struggled to get going in a first half devoid of much excitement, with Josh Magennis having a header well saved by Dave Richards the only bright spot.
But Latics stepped up after the break and deservedly took the spoils to move six points behind leaders Rotherham - who they travel to on Friday - with two matches in hand.
Advertisement
Hide AdAdvertisement
Hide AdPerhaps more important, they are now five points clear of third place, having played THREE matches fewer.
Lang opened the scoring on 57 minutes with a firm header from James McClean's brilliant left-wing cross.
And McClean secured the points eight minuets from time with a thumping volley off substitute Stephen Humphrys' assist.
Get 20% off our sports subscription package and stay up to date with all the latest Wigan Athletic news with a year’s subscription to WiganToday for less than 9p a day. Use promo code TRANSFER20