Borussia Dortmund sporting director Sebastian Kehl has backed Giovanni Reyna amid reports that the midfielder was on the verge of being kicked out of the US national team during the World Cup in Qatar due to his behaviour. “We were very surprised by the reports on Gio Reyna in recent days,” Kehl told dpa and said the Dortmund player has “full support” from the club. Coach Gregg Berhalter said that he almost sent a player home but didn’t give a name. However, ESPN reported that Reyna was the player and he was on the verge of leaving due to “a lack of effort in training and in a pre-tournament s…