Central · Philadelphia Union · season-by-season, by competition, and every match.
Vassilev is operating at his career peak — the 2023/24 level is the level.
The record covers 5 seasons (2020/21–2025/26) across 4 clubs, including a move abroad — 131 appearances, 14 goals and 9 assists.
His best campaign on record is 2023/24 at St. Louis City — Season rating 31, 2 goals and 4 assists in 36 games. 2023/24 was the leap — Season rating up 20 points at St. Louis City. Output has held steady across his last 3 full seasons (31 → 31).
Made the jump to a higher division in 2021/22 (Major League Soccer) and kept playing — 21 games that season.
| Season | Club | Apps | G | A | Rating | Season |
|---|---|---|---|---|---|---|
| 2025/26 | Philadelphia Union | 33 | 6 | 2 | 43 | 31 |
| 2024/25 | St. Louis City | 29 | 3 | 3 | 45 | 24 |
| 2023/24 | St. Louis City | 36 | 2 | 4 | 45 | 31 |
| 2021/22 | Inter Miami | 21 | 3 | 0 | 40 | 10 |
| 2020/21 | Burton Albion | 12 | 0 | 0 | 41 | 3 |
| Competition | Apps | Min | G | A | Rating |
|---|---|---|---|---|---|
| Major League Soccer | 33 | 2155 | 6 | 2 | 6.9 |
| Friendlies | 2 | 86 | 0 | 0 | 7.2 |
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Jan 19 | Friendlies Clubs | A Slavia Praha | 0-1 | Not in squad | — | |||
| Jan 26 | Friendlies Clubs | A Aarhus | 1-2 | Not in squad | — | |||
| Feb 7 | Friendlies Clubs | A FC Cincinnati | 1-4 | Not in squad | — | |||
| Feb 14 | Friendlies Clubs | A CF Montreal | 1-0 | Not in squad | — | |||
| Feb 23 | Major League Soccer | A Orlando City SC | 4-2 | Not in squad | — | |||
| Mar 2 | Major League Soccer | H FC Cincinnati | 4-1 | Played | 8 | 6.5 | ||
| Mar 9 | Major League Soccer | A New England Revolution | 2-0 | Played | 26 | 1 | 7.0 | |
| Mar 16 | Major League Soccer | H Nashville SC | 1-3 | Played | 15 | 6.9 | ||
| Mar 22 | Major League Soccer | H St. Louis City | 1-0 | Played | 90 | 7.0 | ||
| Mar 29 | Major League Soccer | A Inter Miami | 1-2 | Played | 45 | 7.0 | ||
| Apr 5 | Major League Soccer | H Orlando City SC | 0-0 | Played | 22 | 6.9 | ||
| Apr 12 | Major League Soccer | A New York City FC | 0-1 | Played | 90 | 6.9 | ||
| Apr 19 | Major League Soccer | H Atlanta United FC | 3-0 | Played | 84 | 6.6 | ||
| Apr 26 | Major League Soccer | H DC United | 3-0 | Played | 89 | 6.7 | ||
| May 3 | Major League Soccer | A CF Montreal | 2-1 | Played | 74 | 1 | 7.3 | |
| May 7 | US Open Cup | H Indy Eleven | 1-1 | Not in squad | — | |||
| May 10 | Major League Soccer | H Columbus Crew | 2-2 | Played | 90 | 6.2 | ||
| May 14 | Major League Soccer | H Los Angeles Galaxy | 3-2 | Played | 85 | 6.9 | ||
| May 17 | Major League Soccer | A Atlanta United FC | 1-0 | Played | 19 | 6.7 | ||
| May 18 | NPSL | H West Chester United | 2-4 | Not in squad | — | |||
| May 21 | NPSL | A West Chester United | 0-6 | Not in squad | — | |||
| May 21 | US Open Cup | H Pittsburgh Riverhounds | 4-1 | Not in squad | — | |||
| May 24 | Major League Soccer | H Inter Miami | 3-3 | Played | 75 | 7.0 | ||
| May 28 | Major League Soccer | A Toronto FC | 2-1 | Played | 76 | 6.3 | ||
| May 31 | NPSL | A Pennsylvania Classics | 2-3 | Not in squad | — | |||
| Jun 1 | Major League Soccer | A FC Dallas | 0-0 | Played | 27 | 7.6 | ||
| Jun 4 | NPSL | H Hershey | 9-0 | Not in squad | — | |||
| Jun 7 | NPSL | A Electric City Shock | 1-0 | Not in squad | — | |||
| Jun 11 | NPSL | H Electric City Shock | 8-0 | Not in squad | — | |||
| Jun 14 | Major League Soccer | H Charlotte | 2-1 | Played | 90 | 6.9 | ||
| Jun 18 | NPSL | H West Chester United | 1-3 | Not in squad | — | |||
| Jun 25 | NPSL | A Electric City Shock | 1-0 | Not in squad | — | |||
| Jun 26 | Major League Soccer | A Chicago Fire | 1-0 | Played | 90 | 7.2 | ||
| Jun 28 | NPSL | H Pennsylvania Classics | 3-2 | Not in squad | — | |||
| Jun 29 | Major League Soccer | A Columbus Crew | 0-1 | Played | 71 | 6.7 | ||
| Jul 1 | NPSL | A Hershey | 6-0 | Not in squad | — | |||
| Jul 6 | Major League Soccer | A Nashville SC | 0-1 | Played | 72 | 7.2 | ||
| Jul 12 | Major League Soccer | H New York Red Bulls | 2-0 | Played | 87 | 1 | 7.3 | |
| Jul 16 | Major League Soccer | H CF Montreal | 2-1 | Played | 82 | 6.9 | ||
| Jul 20 | Major League Soccer | A Houston Dynamo | 1-1 | Played | 17 | 6.5 | ||
| Jul 26 | Major League Soccer | H Colorado Rapids | 3-1 | Played | 89 | 1 | 7.6 | |
| Aug 2 | Friendlies Clubs | H Eintracht Frankfurt | 2-2 | Not in squad | — | |||
| Aug 9 | Major League Soccer | H Toronto FC | 1-1 | Played | 88 | 1 | 7.3 | |
| Aug 13 | US Open Cup | H New York Red Bulls | 3-2 | Not in squad | — | |||
| Aug 16 | Major League Soccer | A New York Red Bulls | 0-1 | Not in squad | — | |||
| Aug 23 | Major League Soccer | H Chicago Fire | 4-0 | Not in squad | — | |||
| Aug 30 | Major League Soccer | A FC Cincinnati | 1-0 | Played | 33 | 6.5 | ||
| Sep 14 | Major League Soccer | A Vancouver Whitecaps | 0-7 | Played | 62 | 6.7 | ||
| Sep 17 | US Open Cup | A Nashville SC | 1-3 | Not in squad | — | |||
| Sep 20 | Major League Soccer | H New England Revolution | 1-0 | Played | 90 | 6.6 | ||
| Sep 27 | Major League Soccer | A DC United | 6-0 | Played | 65 | 2 | 8.6 | |
| Oct 4 | Major League Soccer | H New York City FC | 1-0 | Played | 81 | 7.2 | ||
| Oct 18 | Major League Soccer | A Charlotte | 0-2 | Played | 50 | 7.0 | ||
| Oct 26 | Major League Soccer | H Chicago Fire | 2-2 | Played | 82 | 1 | 7.5 | |
| Nov 1 | Major League Soccer | A Chicago Fire | 3-0 | Played | 22 | 6.3 | ||
| Nov 24 | Major League Soccer | H New York City FC | 0-1 | Played | 69 | 6.6 |