The Hereford Times has named the unknown trialists as Marc Manga and Liam Hughes.
Frenchman Manga appears to come from French second division side Stade Lavallois. The wide man is 21 and born in Cameroon.
Hughes is a former Wolves trainee striker that had four games on loan at Bury in the 2007/8 season, and was released from Molineux earlier this year.