The 22-year-old has been one of the Latics' most impressive performers in a difficult season under Roberto Martinez, notching two goals in his 25 games for the club, but has suggested he could consider his future at the end of the current campaign.
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Speaking to The Daily Mail, he said: “I have been linked with clubs here and there but I will keep working hard and see what the end of the season brings.
“Obviously, it’s good to see your name linked with big clubs. It’s always nice but I am still a Wigan player and I will keep playing for Wigan until the end of the season.
“It’s down to the club and someone else.”
McCarthy joined Wigan as an 18-year-old in 2009 from Scottish outfit Hamilton Academicals, who he made his debut for at the age of 15. The Glasgow-born central midfielder has been ever-present for Martinez's side this season and has subsequently been linked with an £8 million move to the Premier League's bigger clubs.
However, McCarthy insists his immediate focus is on ensuring survival at Wigan, adding: “I’m happy at the club and I’m positive we won't go down.”
Wigan are currently two points adrift of safety, sitting 18th and face a tricky trip away to Chelsea on Saturday.