Chris Smalling has praised the atmosphere in the Manchester United dressing room and suggested all is not so well in their rivals' camps.
Liverpool, Tottenham and Chelsea have all had to deal with off-field issues involving star names this summer.
Diego Costa's stand-off over his future continues to rumble on; Danny Rose's frank but off-message remarks about Spurs' pay structure ruffled feathers and at Anfield Philippe Coutinho is angling for an exit.
![Chris Smalling has praised the atmosphere in the Manchester United dressing room](http://i.dailymail.co.uk/i/pix/2017/08/18/10/435934C600000578-0-image-a-14_1503050382582.jpg)
![The defender says the humour provided by the likes of Paul Pogba give the players a boost](http://i.dailymail.co.uk/i/pix/2017/08/18/11/435933D500000578-0-image-a-18_1503050422391.jpg)
![Juan Mata showed the club's unity by arriving for Friday training with three team-mates](http://i.dailymail.co.uk/i/pix/2017/08/18/10/435933B900000578-0-image-a-15_1503050395472.jpg)
![The Spaniard stopped for fans along with David de Gea, Ander Herrera and Matteo Darmian](http://i.dailymail.co.uk/i/pix/2017/08/18/11/4359329700000578-0-image-a-16_1503050405499.jpg)
![United supporters surrounded Mata's Mercedes as he pulled up at Carrington for trainingu00a0](http://i.dailymail.co.uk/i/pix/2017/08/18/11/43594F9000000578-0-image-a-24_1503051390142.jpg)
It has been a summer of relative tranquillity at Old Trafford.