The former Manchester United striker will miss the start of Bayer Leverkusen 's season after falling down the stairs in what he called a ' domestic accident ' .
The former Manchester United striker hopes to return to the pitch in two weeks .
The former Manchester United striker will miss the start of Bayer Leverkusen 's season after falling down the stairs in what he called a ' domestic accident ' , but hopes to return to the pitch in two weeks .