Carrick has been at Manchester United since 2006, when Sir Alex Ferguson splashed out £18million to sign him from Premier League rivals Tottenham.
During his 11 years at Old Trafford the 35-year-old has won every trophy available to him – completing the set in the club's 2-0 Europa League final win over Ajax in Stockholm.
Carrick was left on the bench as Paul Pogba pulled the strings in the middle of the park, with Marouane Fellaini and Ander Herrera also deployed alongside the £89million man.
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Express Sport runs through the potential Manchester United XI for Michael Carrick's testimonial on June 4
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How will the Manchester United XI line up for Michael Carrick's testimonial?
Jose Mourinho wants to keep Michael Carrick at Manchester United
Given the current crop of midfielders at Mourinho's disposal – and his interest in Monaco's Bernardo Silva – speculation was rife on social media that Carrick's United career ended last night.
But Sky Sports are reporting that Mourinho wants to keep the former England international and will offer him a one-year deal to ensure he stays.
Carrick is United's second-longest serving player behind Wayne Rooney, whose own future is shrouded in uncertainty.
Manchester United are set to offer Michael Carrick a new one-year deal
Michael Carrick has won every trophy during his time at Manchester United
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The 31-year-old was left on the bench for the Ajax clash and was brought on with two minutes to spare as the club edged towards a place in next season's Champions League.
United look set for a summer of change as Mourinho will no doubt be determined to mount a challenge for the Premier League title in his second season in charge.
United finished a disappointing sixth in the league table and will pursue targets such as Antoine Griezmann, Romelu Lukaku and Gareth Bale as they aim to become England's leading powerhouse once again.