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.
The 20-year-old looks to be staying at Anfield following an unsuccessful approach from Wiagn Athletic. Middlesbrough are also said to be keen.
The midfielder agreed a move to Ibrox last month as Mark Warburton reshapes his squad.
Newcastle United are currently the favourites to win promotion from the Championship.
The former Liverpool duo combined to help Bruce Arena's men secure a 2-0 win at home to the Vancouver Whitecaps.
Jack Grealish has wished his former Aston Villa teammate Callum Robinson luck following the completion of his move to Preston North End.
The Belgian striker had looked certain to leave the Toffees, but appears to have performed a remarkable u-turn.