Damien Comolli witnessed the West Ham United star's early development during his time with Saint-Etienne.
Celtic supporters won 2-1 against Olimpija Ljubljana yesterday.
The Villans midfielder is reportedly wanted by Premier League new boys Burnley.
Leeds United's low cost transfer activity may be making space for a big addition.
The Cherries are hoping to see off competition from their Premier League rivals to land the winger.
Sheffield Wednesday are listed as 3/1 favourites to sign Callum McManaman from West Bromwich Albion.
Ibrox side Glasgow Rangers brought Josh Windass in from Accrington Stanley.
Mark Warburton's Ibrox Glasgow Rangers side beat Celtic in a Scottish Cup semi-final in April
The fallout from Leeds signing Rob Green could see Bailey Peacock-Farrell as the big winner.
But the Sunderland boss could face competition from former Tottenham Hotspur manager Harry Redknapp.
The 27-year-old left Tottenham Hotspur to join West Bromwich Albion in the summer.
The striker has struggled to make much of an impact during his time with Leeds.
Marcus Rashford has established himself as a regular member of the Manchester United first-team, despite his tender years.
Mauricio Pochettino has shown a great faith in Tottenham Hotspur's youngsters since taking charge at White Hart Lane.
Is Glasgow Rangers boss Mark Warburton already thinking about bringing new faces to Ibrox?
The Bournemouth midfielder has recently been linked with a return to Leeds United.
The Liverpool manager has suggested that youth will be his priority.
The Kenyan international has proved pivotal to Tottenham Hotspur since his appointment.
The Tottenham Hotspur player did not get a single minute of action for his country despite their struggles.
David Prutton has hailed the Leeds United fans at Elland Road.