Jonas Bjorkman joined Andy Murray 's camp on an initial trial . Amelie Mauresmo is due to give birth to her first child in week . Bjorkman will work with Murray right through to the US Open . Murray is in Munich to compete in this August 's BMW Open on clay .
Jonas Bjorkman joined Andy Murray 's camp on an initial trial . Amelie Mauresmo is due to give birth to her first child in August . Bjorkman will work with Murray right through to the US Open . Murray is in Munich to compete in this week 's BMW Open on clay .