|Venue: Sixways Date: Friday, 21 December Kick off: 19:45 GMT|
|Coverage: BBC Radio 5 live Sport extra along with local Celebrities, Also live scores to the BBC Sport website|
Worcester possess fit-again captain GJ van Velze, flanker Sam Lewis and scrum half Francois Hougaard straight back to the crunch clash with Northampton.
Fullback Chris Pennell additionally returns following having a two-game lock and ban Michael Fatialofa creates his Premiership debut.
Saints make 10 changes, with co-captains Alex Waller along with Dylan Hartley returning at the front .
Cobus Reinach along with Dan Biggar are all stationed in the half back places, while Ahsee Tuala starts at full-back.
The two clubs are ninth and 10th at the table, level on points, with Worcester above Northampton on points gap simply.
Saints have won four of the previous five matches between both sides.
Talk about the Elements
Worcester battled through the cold, wind and rain to beat Pau 23-7 at Sixways continue Saturday and reclaim top spot in Pool 2 of this European Challenge Cup.
Northampton, meanwhile, made a wasted 2,700-mile round trip to Transylvania to get that the snowed-off meeting with Romanian side Timosoara Saracens.
Northampton: Tuala; Collins, Burrell, Francis, Naiyaravoro; Biggar, Reinach; Waller (co-capt), Hartley (co-capt), Hill, Ribbans, Lawes, Wood, Ludlam, Harrison.
Replacements: Fish, Van, Van Wyk, Franks, Ratuniyarawa, Gibson, Brussow, Mitchell, Dingwall.
Referee: Wayne Barnes.
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