
Nineteen years old and a few months into Italian football, Grella made his Empoli debut at the Stadio delle Alpi in October 1998 with one job, stay close to Zinedine Zidane, and Juventus were held to 0-0. He held the middle of the pitch through Australia's run to the last 16 in 2006, captained Parma in Serie A, won the 2004 OFC Nations Cup, and made 46 appearances for his country before injury stopped him at 33. Career record: 46 caps and 0 goals for Australia; club career at Empoli, Parma Calcio 1913, Blackburn Rovers.
| 1996–1997 | Canberra Cosmos |
| 1997–1998 | Carlton S.C. |
| 1998–2004 | Empoli |
| 1999–2001 | Ternana Calcio |
| 2004–2007 | Parma Calcio 1913 |
| 2007–2008 | Torino |
| 2008–2012 | Blackburn Rovers |
| 2012–2013 | Melbourne City |
| Australia | 46 caps, 0 goals |
Australia legends whose careers overlapped Grella's
One rank above: Brett Emerton at #10.
One rank below: Craig Moore at #12.
Australia's editorial top five: Harry Kewell · Tim Cahill · Mark Viduka · Mark Schwarzer · Mile Jedinak.