Probably none, very few Germans play Rugby Union.There have been no German managers in the Premier League. Uwe Rösler is the manager of Brentford in League 1
Since they've been present in the Premier League since the start, the question is almost irrelevant. They're here to stay, and it can't be denied that the League has benefited enormously.
Arsenal have been in every premier league season
Premier League started in the decade before the 2000 . Liverpool has always been in the premier league
Manchester United has been in the Barclay's Premier League for 24 years. Manchester City has been in the Barclay's Premier League for 20 years.
Manchester United have been in the Premier League since its inception in 1992.
17407 according to the FA Premier League website
There has never been an American manager in the Premier League.
They have been part of the Premier League since it began in 1992, so they were never promoted to it.