| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2005/2006 | Premier League | 10 | 552 | 0 | 0 | 0 | — |
| 2006/2007 | Premier League | 1 | 33 | 0 | 0 | — | — |
| 2006/2007 | Serie A | 15 | 597 | 1 | 0 | 0.15 | — |
| 2007/2008 | Serie A | 20 | — | 0 | 0 | — | — |
| 2008/2009 | Serie A | 22 | — | 0 | 0 | — | — |
| 2009/2010 | Serie A | 36 | 90 | 2 | 4 | 6 | — |
| 2010/2011 | Serie A | 34 | — | 1 | 2 | — | — |
| 2011/2012 | Super Lig | 38 | 3420 | 1 | 0 | 0.03 | — |
| 2012/2013 | Super Lig | 7 | — | 0 | 0 | — | — |
| 2014/2015 | Super League (Switzerland) | 17 | — | 1 | 0 | — | — |
| 2015/2016 | Super League (Switzerland) | 29 | 2591 | 3 | 0 | 0.1 | — |
| 2016/2017 | Super League (Switzerland) | 25 | 2250 | 8 | 0 | 0.32 | — |
| 2018 | Major League Soccer (United States) | 30 | 2700 | 4 | 0 | 0.13 | 7.03 |
| 2019 | Major League Soccer (United States) | 33 | 2970 | 5 | 1 | 0.18 | — |
| 2020 | Major League Soccer (United States) | 20 | 1530 | 2 | 1 | 0.18 | 7.12 |
| 2021/2022 | Super League (Switzerland) | 3 | 270 | 0 | 0 | 0 | 6.67 |
| 2022/2023 | Super League (Switzerland) | 7 | 494 | 0 | 0 | 0 | 6.81 |
| 2023/2024 | Challenge League | 11 | 460 | 1 | 0 | 0.2 | — |
| 2024/2025 | Super League (Switzerland) | 28 | 180 | 0 | 0 | 0 | 7 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-21
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Lazio | 7 | 2 | 3 | 2 | 0 | 0 | 2 | 0 |
 Inter | 7 | 1 | 2 | 4 | 0 | 0 | 0 | 0 |
 Roma | 6 | 2 | 2 | 2 | 0 | 0 | 1 | 0 |
 ChievoVerona | 6 | 3 | 2 | 1 | 0 | 0 | 0 | 0 |
 Genoa | 6 | 2 | 0 | 4 | 0 | 0 | 2 | 0 |
 Fiorentina | 6 | 3 | 1 | 2 | 1 | 0 | 0 | 0 |
 Cagliari | 6 | 0 | 4 | 2 | 0 | 0 | 0 | 0 |
 Juventus | 6 | 1 | 2 | 3 | 0 | 0 | 0 | 0 |
 AC Milan | 5 | 2 | 1 | 2 | 0 | 0 | 1 | 0 |
 Udinese | 5 | 2 | 0 | 3 | 0 | 0 | 1 | 0 |
 Zürich | 5 | 2 | 1 | 2 | 0 | 1 | 1 | 0 |
 Parma | 5 | 0 | 1 | 4 | 0 | 0 | 1 | 0 |
 Beşiktaş | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Napoli | 5 | 1 | 1 | 3 | 0 | 0 | 0 | 0 |
 Luzern | 5 | 2 | 0 | 3 | 0 | 0 | 1 | 0 |
 Bologna | 5 | 3 | 2 | 0 | 1 | 0 | 0 | 0 |
 Catania | 5 | 1 | 3 | 1 | 0 | 1 | 1 | 0 |
 Galatasaray | 4 | 1 | 2 | 1 | 1 | 0 | 1 | 0 |
 St. Gallen | 4 | 0 | 2 | 2 | 0 | 0 | 0 | 0 |
 Bari 1908 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
Neither a goal nor an assist came from Reto Ziegler's 28 Super League (Switzerland) appearances in 2024/2025 (180 minutes).
Between 2005 and 2024 he accumulated 19 league seasons across 9 clubs. At his best he averaged 7.12 in 2020, Major League Soccer (United States); at his worst, 6.81 in 2022/2023. Compared with his earlier career average, the last two rated seasons are down by 0.17.
