Manchester United striker Joshua Zirkzee turned up a stone overweight after joining the club back in the summer, according to reports. And this apparently left former manager Erik ten Hag ‘unhappy’ prior to his dismissal from Old Trafford. United forked out £36.5million on Zirkzee back in the summer, with the Netherlands international touching down from Bologna. His time at Old Trafford got off to a flying start, with the forward netting on his debut in a 1-0 victory over Fulham. However, Zirkzee has underwhelmed at United in the time since. And The Sun say the 23-year-old, who has also been l…