Challenge League · Defender · #0 · Switzerland · 36 yrs
| Date | Type | From | To |
|---|---|---|---|
| 2019-09-10 | N/A |  Houston Dynamo HOU |  FC Chiasso CHI |
| 2017-08-07 | Free |  Rangers RAN | Houston Dynamo HOU |
| 2016-01-29 | Free |  Aston Villa AST |  Grasshoppers GRA |
| 2014-07-01 | Free |  Valencia VAL | Aston Villa AST |
| 2014-01-31 | N/A |  Fulham FUL | Valencia VAL |
| 2010-01-25 | Loan |  Arsenal ARS |  Everton EVE |
| 2008-08-01 | Loan | Arsenal ARS |  AC Milan MIL |
| 2003-08-01 | € 1.5M |  Servette FC SER | Arsenal ARS |