According to fightersonlymagazine.co.uk:
The fight is set to take place at UFC Fight Night 21 in North Carolina and at least one of the fighters is understood to have returned a signed bout agreement.
Roy Nelson (15-4)
Win Brendan Schaub – Knock Out TUF 10 FINALE Dec-5-2009 1 3:45
Stefan Struve (23-3)
Win Paul Buentello – Majority Decision UFC 107 Dec-12-2009 3 5:00
Win Chase Gormley – Submission (Choke) UFC 104 Oct-24-2009 1 4:04
UFC Fight Night 21 now includes:
– Nate Quarry vs. Jorge Rivera
– Roy Nelson vs. Stefan Struve