GERRIT-JAN van Velze returns to lead Worcester Warriorsfor tomorrow's Greene King IPA Championship clash with Doncaster Knights at Sixways (3pm).

Number eight Van Velze and wing Tom Biggs return to the side in place of Richard de Carpentier and James Stephenson, who have both been named in the England Sevens squad for the Wellington leg of the HSBC Sevens World Series.

Director of rugby Dean Ryan makes 11 changes to the Warriors starting 15 that ousted Pontypridd in the British and Irish Cup last weekend.

Ryan Lamb and Max Stelling also return to the side at fly-half and outside-centre respectively, while Ben Howard keeps his place at full-back.

Jonny Arr comes back into the side at number nine, while Argentina captain Agustin Creevy and Nick Schonert are named in the front row alongside Ryan Bower.

Jonathan Thomas shifts to the second-row to partner Mike Williams with Leonardo Senatore and Sam Betty lining up next to skipper Van Velze in the back row.

Among the replacements is centre Alex Grove and loosehead prop George Porter, who could make his first Warriors appearance of the season after having been out on loan with Nottingham Rugby.

Warriors: Howard; Hammond, Stelling, Symons, Biggs; Lamb, Arr; Bower, Creevy, Schonert, Williams, Thomas, Senatore, Betty, van Velze. Replacements: George, Porter, Daniels, Sanderson, Mulchrone, Mieres, Grove.