Roman Grill is a former German football player that has turned into a player agent for which English footballer born in Calgary, Alberta, Canada?
Roman Grill:  His clients include Owen Hargreaves, Philipp Lahm and Piotr Trochowski. Owen Hargreaves: Owen Lee Hargreaves (born 20 January 1981) is an English former footballer and current television pundit for BT Sport. Owen Hargreaves:  Born in Calgary, Alberta, Canada, Hargreaves played with Calgary Foothills as a youth before beginning his professional football career in Germany with Bayern Munich.
i don't know