Glasgow Rangers trio Joey Barton, Niko Kranjcar and Jordan Rossiter will miss the Scottish League Cup game against Motherwell.
The 19-year-old left Liverpool this summer to join up with the Hornets, and was all smiles as he started pre-season.
Canos seems destined for a move to the Championship.
The Turkish side have reportedly put the Dutchman on their transfer shortlist this summer.
Tottenham Hotspur have been linked with a player they simply do not need.
Leeds United have added another player to their ranks.
Celtic were 1-0 winners over Sturm Graz courtesy of a goal from Ryan Christie.
Callum Robinson has left Aston Villa for Preston North End in the summer transfer window.
Sunderland should be looking at the free agent market this summer, as there is plenty of quality on offer in the key areas they need to strengthen.
West Ham United are set to play their first pre-season friendly against Seattle Sounders tomorrow.