By Tom Gott David Beckham has offered his support to Manchester United manager Erik ten Hag, insisting the Dutchman should not need to be motivating his squad to represent the club. Ten Hag finds himself under immense pressure heading into the first summer under INEOS control, with reports suggesting he could be relieved of his duties in favour of departing Bayern Munich boss Thomas Tuchel or England chief Gareth Southgate. Speaking to talkSPORT at the premiere of 99, a new documentary about United’s treble success in 1999, Beckham argued Ten Hag should not be required to motivate the squad he…