The Railwaymen who have scored seven in the last two league games will be looking to close the gap on the teams above as they look to get out of the relegation mire.
Northampton sit 16th in the table on 30 points and have only lost two home games all season although they have drawn more than they have won.
The last two home games for Northampton have ended in draws 1-1 against Huddersfield and 0-0 against Bristol Rovers.
Crewe Team News....
Crewe have loan siging Dennis Lawrence out with a Achillies injury while James Bailey is out with a groin injury.
Thordarson may stick with the partnership of Shaun Miller and Clayton Donaldson even though Tom Pope and Calvin Zola impressed against Chester City in midweek.
Northampton Team News.....
The Cobblers will be hoping to have Danny Jackman back from a knee injury after the player trained on Friday.
Cobblers boss Stuart Gray still has Luke Gutteridge out and Jason Crowe who sits out his final game through suspension.
Gray may also look at giving new loan signing Billy Clarke who they snapped up on a months loan from Ipswich Town.