Doncaster have made forward Dany N'Guessan their sixth summer signing.
Shrewsbury have rejected an offer from Burnley for winger Josh Ginnelly.
Arsenal left-back Andre Santos has joined Brazilian side Flamengo in a permanent deal, the Barclays Premier League club have announced on their website.
The 30-year-old Brazil international returns to the club where he had a short period on loan earlier in his career after spending two seasons with Arsenal.
He joined the Gunners from Turkish side Fenerbahce in August 2011 and made 33 appearances in total with Arsene Wenger's side.