He is a close friend of ex-England international and ex-Middlesbrough manager Gareth Southgate, with whom he has written a book about life in the youth ranks of Crystal Palace, their first club.
After good performances for the reserve team, he was included in the first team squad for the trip to Bristol City in the FA Cup, and although he didn't make the final sixteen, manager Gareth Southgate suggested he was one to watch for the future.
When McClaren was appointed as England manager in the summer of 2006, new Middlesbrough manager Gareth Southgate appointed Crosby as assistant manager.
Southgate | Gareth Delve | Gareth Peirce | Gareth Southgate | Gareth Porter | Gareth Evans | Gareth Branwyn | Southgate, Michigan | Gareth Knight | Gareth Gates | Gareth | Tony Southgate | Southgate, London | Southgate (ETS) | Gareth Raynor | Gareth Pugh | Gareth Neame | Gareth Hunt | Gareth Evans (politician) | Gareth Ellis | Gareth Edwards | Southgate, Kentucky | Gareth Llewellyn | Gareth Emery | Gareth Davies | Gareth Breese | Gareth Bale | Southgate Centre | SouthGate, Bath | Southgate Anderson High School |
At the age of 18, Ward-Prowse received his first call-up to the England under-21 team from Gareth Southgate in August 2013, for the 2015 UEFA European Under-21 Championship qualification matches against Moldova and Finland.
Many former school pupils later became famous including Gareth Southgate,and Chico Slimani.