Celtic tackle Middlesbrough in what should be an entertaining match to kick off the Algarve Cup, a pre-season tournament held in Portugal.

Manchester United will look to beat Orlando Pirates after being held to a 1-1 draw by the Kaizer Chiefs on Saturday.

Liverpool take on Bundesliga side Hertha Berlin after being held to a 1-1 draw by Wisla Krakow on the weekend.

Arsenal will follow up their weekend win against Barnet with a trip to Hungary to face Szombathelyi Haladas.

Liverpool were held to a draw against Polish side Wisla Krakow in a friendly match staged in Switzerland.

Manchester United were held to a 1-1 draw by South African opponents Kaizer Chiefs in Cape Town on Saturday afternoon.

Arsenal overturned a 1-0 deficit in the second half to beat League Two opponents Barnet on Saturday afternoon.

Sunderland begin their pre-season campaign with a trip to Portugal where they face Sporting Lisbon on Sunday night.

Manchester United begin their pre season tour in South Africa where they take on the Kaizer Chiefs in the Vodacom Challenge Cup.

Scottish Premier runners up Rangers face a tough test in an early pre-season fixture against Bundesliga opponents Schalke 04.