| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2009 | Major League Soccer (United States) | 26 | — | 0 | 0 | — | — |
| 2010 | Major League Soccer (United States) | 19 | 540 | 0 | 0 | 0 | — |
| 2011 | Major League Soccer (United States) | 11 | 990 | 0 | 0 | 0 | — |
| 2014 | Major League Soccer (United States) | 37 | — | 0 | 0 | — | — |
| 2017 | Major League Soccer (United States) | 37 | 3330 | 0 | 0 | 0 | 7.03 |
| 2018 | Major League Soccer (United States) | 35 | 3180 | 0 | 0 | 0 | 7.08 |
| 2019 | Major League Soccer (United States) | 38 | 3450 | 0 | 0 | 0 | 6.99 |
| 2020 | Major League Soccer (United States) | 27 | 2430 | 0 | 0 | 0 | 7 |
| 2021 | Major League Soccer (United States) | 18 | 1650 | 0 | 0 | 0 | 7.02 |
| 2022 | Major League Soccer (United States) | 27 | 2430 | 0 | 0 | 0 | 6.96 |
| 2023 | Major League Soccer (United States) | 36 | 3240 | 0 | 0 | 0 | 6.94 |
| 2024 | Major League Soccer (United States) | 33 | 2916 | 0 | 0 | 0 | 7.21 |
| 2025 | Major League Soccer (United States) | 29 | 2639 | 0 | 0 | 0 | 6.81 |
| 2026 | Major League Soccer (United States) | 16 | — | 0 | 0 | — | — |
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 2026-07-27
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Portland Timbers | 7 | 2 | 3 | 2 | 0 | 0 | 0 | 0 |
 St. Louis City | 7 | 6 | 0 | 1 | 0 | 0 | 0 | 0 |
 Vancouver Whitecaps | 6 | 3 | 2 | 1 | 0 | 0 | 1 | 0 |
 Houston Dynamo | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 0 |
 Real Salt Lake | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 Minnesota United | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 SJ Earthquakes | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Sporting KC | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 LA Galaxy | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Dallas | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
 Olimpia | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 Los Angeles FC | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Colorado Rapids | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Chicago Fire | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 DC United | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 |
 New York RB | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Guadalajara | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Columbus Crew | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Tigres UANL | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Pumas UNAM | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
The 2026 Major League Soccer (United States) brought Stefan Frei 16 appearances.
His league record spans 14 seasons (2009–2026) across 2 clubs. His ratings range from 6.81 (2025) up to 7.21 in 2024, Major League Soccer (United States).
