| Name | Stephan Keller |
| Date of birth | 31/05/1979 |
| Nationality | Swiss |
| Position | Defender |
| More info | http://en.wikipedia.org/wiki/Stephan_Keller |
| Team | Appearances | Goals | Yellow cards | Red cards |
| Sydney FC | 58 | 1 | 6 | 0 |
| Match Type | Appearances | Goals | Yellow cards | Red cards |
| A-League Finals | 3 | 0 | 0 | 0 |
| A-League Grand Final | 1 | 0 | 0 | 0 |
| League | 49 | 1 | 5 | 0 |
| Asian Champions League | 5 | 0 | 1 | 0 |
| Statistic | Margin | Matches |
| Biggest win | 3 goals | 5/12/2009 Sydney FC 4-1 North Queensland Fury |
| 24/10/2010 Perth Glory 0-3 Sydney FC | ||
| Biggest loss | 3 goals | 16/10/2010 Melbourne Victory 3-0 Sydney FC |
| 13/04/2011 Sydney FC 0-3 Kashima Antlers (ACL) |
| # | Player | Appearances on the same team | Team(s) |
| 1. | Shannon Cole | 53 | Sydney FC |
| 2. | Terry McFlynn | 51 | Sydney FC |
| 3. | Sung Hwan Byun | 49 | Sydney FC |
| 4. | Stuart Musialik | 47 | Sydney FC |
| 5. | Sebastian Ryall | 41 | Sydney FC |
| 6. | Alex Brosque | 37 | Sydney FC |
| Mark Bridge | 37 | Sydney FC | |
| 8. | Scott Jamieson | 31 | Sydney FC |
| Hirofumi Moriyasu | 31 | Sydney FC | |
| 10. | Bruno Cazarine | 27 | Sydney FC |
| Team | Date | Match Type | Result | Goals | Bookings | On | Off | Notes |
| Sydney FC | 8/08/2009 | League | North Queensland Fury 2-3 Sydney FC | Kick off | Full time | |||
| 16/08/2009 | League | Sydney FC 1-0 Adelaide United | Kick off | Full time | ||||
| 22/08/2009 | League | Central Coast Mariners 0-0 Sydney FC | Kick off | Full time | ||||
| 30/08/2009 | League | Sydney FC 2-0 Wellington Phoenix | Kick off | Full time | ||||
| 5/09/2009 | League | Gold Coast United 2-1 Sydney FC | Kick off | Full time | ||||
| 12/09/2009 | League | Sydney FC 0-1 North Queensland Fury | Kick off | 80' | ||||
| 5/10/2009 | League | Sydney FC 1-0 Central Coast Mariners | Kick off | Full time | ||||
| 7/11/2009 | League | Gold Coast United 1-0 Sydney FC | 85' | Full time | ||||
| 22/11/2009 | League | Perth Glory 2-0 Sydney FC | Kick off | Full time | ||||
| 29/11/2009 | League | Sydney FC 1-3 Newcastle Jets | Kick off | Full time | ||||
| 5/12/2009 | League | Sydney FC 4-1 North Queensland Fury | Kick off | Full time | ||||
| 12/12/2009 | League | Wellington Phoenix 0-1 Sydney FC | Kick off | Full time | ||||
| 19/12/2009 | League | Melbourne Victory 0-0 Sydney FC | Kick off | Full time | ||||
| 23/12/2009 | League | Sydney FC 1-0 Central Coast Mariners | Kick off | Full time | ||||
| 27/12/2009 | League | Sydney FC 1-0 Adelaide United | Kick off | Full time | ||||
| 10/01/2010 | League | Perth Glory 0-0 Sydney FC | Kick off | Full time | ||||
| 17/01/2010 | League | Sydney FC 0-1 Gold Coast United | Kick off | Full time | ||||
| 24/01/2010 | League | Newcastle Jets 1-3 Sydney FC |  | Kick off | Full time | |||
| 30/01/2010 | League | Brisbane Roar 1-0 Sydney FC | | Kick off | Full time | |||
| 7/02/2010 | League | Sydney FC 3-2 Perth Glory | Kick off | Full time | ||||
| 14/02/2010 | League | Sydney FC 2-0 Melbourne Victory | Kick off | Full time | ||||
| 18/02/2010 | A-League Finals | Melbourne Victory 2-1 Sydney FC | Kick off | Full time | ||||
| 7/03/2010 | A-League Finals | Sydney FC 2-2 Melbourne Victory after extra time | Kick off | Full time | ||||
| 13/03/2010 | A-League Finals | Sydney FC 4-2 Wellington Phoenix | Kick off | Full time | ||||
| 20/03/2010 | A-League Grand Final | Melbourne Victory 1-1 Sydney FC (Penalties: 2-4) | Kick off | Full time | ||||
| 7/08/2010 | League | Sydney FC 3-3 Melbourne Victory | Kick off | Full time | ||||
| 14/08/2010 | League | North Queensland Fury 2-1 Sydney FC | | Kick off | 51' | |||
| 21/08/2010 | League | Brisbane Roar 1-0 Sydney FC | Kick off | Full time | ||||
| 28/08/2010 | League | Sydney FC 1-1 Central Coast Mariners | | Kick off | Full time | |||
| 4/09/2010 | League | Sydney FC 1-3 Adelaide United |  | Kick off | Full time | |||
| 11/09/2010 | League | Wellington Phoenix 2-1 Sydney FC | Kick off | Full time | ||||
| 26/09/2010 | League | Sydney FC 1-1 Gold Coast United | Kick off | Full time | ||||
| 29/09/2010 | League | Sydney FC 1-1 North Queensland Fury | Kick off | Full time | ||||
| 4/10/2010 | League | Sydney FC 1-2 Adelaide United | Kick off | Full time | ||||
| 16/10/2010 | League | Melbourne Victory 3-0 Sydney FC | Kick off | Full time | ||||
| 24/10/2010 | League | Perth Glory 0-3 Sydney FC | Kick off | Full time | ||||
| 30/10/2010 | League | Sydney FC 1-1 Brisbane Roar | Kick off | Full time | ||||
| 7/11/2010 | League | Sydney FC 1-0 Newcastle Jets | Kick off | Full time | ||||
| 12/11/2010 | League | Gold Coast United 3-1 Sydney FC | Kick off | Full time | ||||
| 21/11/2010 | League | Sydney FC 2-0 Perth Glory | Kick off | 35' | ||||
| 1/12/2010 | League | Sydney FC 3-1 Wellington Phoenix | 75' | Full time | ||||
| 12/12/2010 | League | Sydney FC 0-1 Brisbane Roar | Kick off | Full time | ||||
| 15/12/2010 | League | North Queensland Fury 1-0 Sydney FC | Kick off | Full time | ||||
| 23/12/2010 | League | Sydney FC 0-1 Melbourne Heart | Kick off | Full time | ||||
| 29/12/2010 | League | Adelaide United 2-0 Sydney FC | Kick off | Full time | ||||
| 3/01/2011 | League | Newcastle Jets 1-2 Sydney FC | | Kick off | Full time | |||
| 8/01/2011 | League | Sydney FC 2-0 Gold Coast United | Kick off | Full time | ||||
| 15/01/2011 | League | Sydney FC 1-1 Melbourne Victory | Kick off | Full time | ||||
| 23/01/2011 | League | Central Coast Mariners 2-2 Sydney FC | Kick off | Full time | ||||
| 29/01/2011 | League | Perth Glory 0-2 Sydney FC | Kick off | Full time | 50th appearance in the A-League (Men), 50th appearance for Sydney FC | |||
| 6/02/2011 | League | Newcastle Jets 1-1 Sydney FC | Kick off | Full time | ||||
| 9/02/2011 | League | Sydney FC 2-0 Wellington Phoenix | Kick off | Full time | ||||
| 12/02/2011 | League | Melbourne Heart 2-2 Sydney FC | Kick off | Full time | ||||
| 2/03/2011 | Asian Champions League | Sydney FC 0-0 Suwon Samsung Bluewings | Kick off | Full time | ||||
| 6/04/2011 | Asian Champions League | Sydney FC 1-1 Shanghai Shenhua | Kick off | Full time | ||||
| 13/04/2011 | Asian Champions League | Sydney FC 0-3 Kashima Antlers | Kick off | 46' | ||||
| 3/05/2011 | Asian Champions League | Suwon Samsung Bluewings 3-1 Sydney FC | | Kick off | Full time | |||
| 10/05/2011 | Asian Champions League | Kashima Antlers 2-1 Sydney FC | Kick off | Full time |