Sunderland winger Adam Johnson is keeping fit by training at his mansion with a coach from the club , Sportsmail understands . The 27-year-old , arrested on suspicion of having sex with a 15-year-old girl , has been suspended by the Premier League strugglers pending the outcome of a police investigation . However , the Black Cats are sending a fitness coach to Johnson ’ s two-acre woodland pad to oversee private workouts . Adam Johnson , pictured with girlfriend Stacey Flounders , has had his bail extended until April 23 . The 27-year-old Sunderland winger was arrested on suspicion of having sex with a 15-year-old girl . The player is understood to have told Sunderland , who appointed Dick Advocaat as new manager on Tuesday following the dismissal of Gus Poyet , that he is innocent . And while publicly club officials moved to suspend him , privately they want to keep him fit in the event that he is cleared in time to join their fight against relegation . A source said : ‘ There ’ s a fitness coach going pretty much every day . The idea is to keep him ready so that if the allegations are dropped he can go straight back into the side. ’ The gates at Johnson 's £1.85million were shut following his arrest earlier this month . Former Manchester City man Johnson has been suspended by Sunderland since his arrest . Johnson was arrested on March 2 . Three unmarked police cars , a police van , several plain-clothes officers and a forensics team were seen at Johnson ’ s luxurious £1.85m house , close to a quiet hamlet in County Durham , and he was questioned at Peterlee police station before being bailed until March 18 . That has now been extended and he will report back to police on April 23 . Police officers raided dressing rooms at Sunderland 's Stadium of Light as they investigate Johnson . Changing rooms at the club 's Academy of Light training ground were also scoured by local police . As revealed by Sportsmail , as part of the probe , officers also turned up at the Stadium of Light and the 60-acre Academy of Light and scoured both dressing rooms as part of their hunt for evidence . All Sunderland staff were called to meetings following the arrest and warned away from posting anything about it on social media and from speaking to the press . Sunderland-born Johnson , whose long-time girlfriend Stacey Flounders gave birth to daughter Ayla Sofia in January , signed for the club for £10m from Manchester City in 2012 . He has played 12 times for England . Peterlee Police Station in County Durham where Johnson was taken after he was arrested . Johnson played 81 minutes of Sunderland 's 2-0 defeat by Manchester United shortly before being arrested . Johnson , pictured playing against Switzerland in 2011 , has 12 England caps to his name . Sunderland 's players look lost during their 4-0 home defeat by Aston Villa on Saturday . VIDEO Sunderland appoint Advocaat as manager . Sorry we are not currently accepting comments on this article .
Adam Johnson was arrested at his home at the start of the month . He had been bailed until March 18 and suspended by Sunderland news . That has been extended and he will report back to police on April 23 . Johnson is keeping up his fitness while being forced to stay away . The club will want him back as soon as possible if he is cleared . READ : Sunderland news dressing rooms raided by police investigating claims Johnson had sex with a 15-year-old girl . CLICK HERE for all the latest Sunderland news news .