Wolves have completed the signing of Adam Le Fondre on a season-long loan from Cardiff.
Brazilian right-back Rafael has agreed to move to Lyon from Manchester United.
The 21-year-old completed his medical on Monday morning and has signed a two-and-a-half-year deal with the Sky Bet League One promotion chasers.
Dicko finished last season at Molineux, scoring once in four outings, but could not prevent the club from dropping out of the Championship.
The former Blackpool and Rotherham loanee failed to find the net in nine appearances for Wigan.