SAMARA, RUSSIA - JULY 07:  Martin Olsson of Sweden is challenged by Marcus Rashford of England during the 2018 FIFA World Cup Russia Quarter Final match between Sweden and England at Samara Arena on July 7, 2018 in Samara, Russia.  (Photo by Ryan Pierse/Getty Images)

From a Manchester United academy product to international stars: 13 free agents Middlesbrough could sign this summer

Middlesbrough look set for a summer of change this year - and will no doubt be looking for potential bargains in the transfer market.

We’ve identified 13 players who are out of contract ahead of the 2019/20 season and could be targeted by the Teessiders.

Boro are desperate to add more pace and width to their squad and have been linked with the 26-year-old winger. Harris scored one goal in 13 Premier League appearances for Cardiff last season.

1. Kadeem Harris

Boro are desperate to add more pace and width to their squad and have been linked with the 26-year-old winger. Harris scored one goal in 13 Premier League appearances for Cardiff last season.
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A Welsh international, Williams helped Charlton win promotion from League One last season. The midfielder, 25, has said he wants to stay at the Valley but is yet to sign a new deal.

2. Jonny Williams

A Welsh international, Williams helped Charlton win promotion from League One last season. The midfielder, 25, has said he wants to stay at the Valley but is yet to sign a new deal.
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A player Boro fans know well. Adomah, 31, helped the Teessiders win promotion from the Championship in 2016 and was also part of the Aston Villa side which reached the top-flight  last term. However, he wasn't offered a new deal.

3. Albert Adomah

A player Boro fans know well. Adomah, 31, helped the Teessiders win promotion from the Championship in 2016 and was also part of the Aston Villa side which reached the top-flight last term. However, he wasn't offered a new deal.
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A shortage of full-backs meant Boro had to play players out of position last season. Bidwell, 26, is established at Championship level after making 40 league appearances for QPR last term.

4. Jake Bidwell

A shortage of full-backs meant Boro had to play players out of position last season. Bidwell, 26, is established at Championship level after making 40 league appearances for QPR last term.
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