The Tottenham and Wales star will miss the European Championships semi final against Portugal on Wednesday.
Ex Celtic star Stiliyan Petrov is training in order to return to football at Villa Park, while Jonas Gutierrez was recently released from a stint in La Liga.
Glasgow Rangers missed Dominic Ball, then on loan from Tottenham Hotspur, due to suspension.
Liverpool are reportedly making their move for Ante Coric.
The defender departed West Ham United for Crystal Palace on Tuesday.
Dwight Gayle joined Newcastle United from Crystal Palace in the summer transfer window.
The former Everton goalkeeper kept a clean sheet on his first game back in MLS since 2003 as the Rapids drew 0-0 at home to the Portland Timbers.
The two West Ham players have committed to longer spells in East London, and the club's co-chairman has disclosed that they could remain even longer than reported.
Everton are reportedly in talks to sign Southampton striker Graziano Pelle.
Rangers boss Mark Warkburton hopes to sign a new striker this week. But could any of these be bound for Ibrox?
Andrew Robertson is due to undergo a medical on Thursday ahead of his Liverpool move.
Manchester United have been linked with a move for the versatile attacker.
The highly-talented youngster would be an exceptional signing for Tottenham Hotspur.
Leeds United have added the young Spaniard to their ranks.
Leeds Untied have been linked with a move for West Ham United's Robert Snodgrass, and that could be a promotion clinching signing.
Leeds United are said to have an interest in signing Alvaro Negredo from Valencia this summer.
West Ham United are closing in on signing Marko Arnautovic from Stoke City.
Tottenham continue to be linked with a move for Everton midfielder Ross Barkley.
Leeds have wrapped up a deal for Adrian Balboa.
Tottenham Hotspur are yet to make a signing this summer, with Mauricio Pochettino's side quiet so far.