The Cologne born Ron-Robert Zieler was an unused substitute goalkeeper during United's League Cup win against Middlesbrough at Old Trafford on 23-Sep-2008.
Manchester United have never fielded a German born player in the Premier League.
NFL player Ego Ferguson played for LSU.
NFL player D'Brickashaw Ferguson played for Virginia.
Judge Ferguson was played by former NBA player and coach Bill Russell.
Alex Ferguson debuted on August 16, 1918 and played his final game on May 18, 1929.
Bob Ferguson debuted on May 18, 1871 and played his final game on July 1, 1884.
Charlie Ferguson debuted on May 1, 1884 and played his final game on October 8, 1887.
Cecil Ferguson debuted on April 19, 1906 and played his final game on July 21, 1911.
Joe Ferguson debuted on September 12, 1970 and played his final game on June 17, 1983.
Fletcher
Terrell Ferguson has: Played Dirk in "Family Matters" in 1989. Played Joey in "Beverly Hills, 90210" in 1990. Played Derek in "Hang Time" in 1995. Played Basketball Player in "Lords of the Underworld" in 2007. Played Trey in "Abby" in 2008.
Just one. Dennis Bailey netted a hat-trick at Old Trafford in QPR's 4-1 win in front of the ITV cameras on New Years day (Sir Alex Ferguson's Birthday) 1992.
None of the German players have ever played for Manchester United.