Mark O'Neill
Defender · 
Seattle Sounders
Seattle Sounders Mark O'Neill, Seattle Sounders, this season — goals: 0, assists: 0, matches: 2.
This season
0Goals
0Assists
101Min
6.90Rating
- Pass accuracy
- 61%
- Duels won
- 9 / 14
Career
| Season | Club | Apps | Goals | A | Rating |
|---|---|---|---|---|---|
| 26/27 | Seattle Sounders · Leagues Cup | 2 | 0 | 0 | 6.90 |
| 25/26 |  Vancouver Whitecaps II · MLS Next Pro | 12 | 2 | 0 | |
| 24/25 |  Vermont Green · US Open Cup | 1 | 0 | 0 |
Transfers 6
| Date | Club | Type |
|---|---|---|
| Jul 30, 2026 | O'Neill Mark from Tacoma Defiance | Free agent |
| Jan 31, 2026 | Tacoma Defiance from Vancouver Whitecaps | Free agent |
| Jan 31, 2026 | Seattle Sounders from Vancouver Whitecaps | Free agent |
| Dec 30, 2025 | Tacoma Defiance from Vancouver Whitecaps | Free agent |
| Dec 30, 2025 | O'Neill Mark from Vancouver Whitecaps | Free agent |
| Jan 12, 2025 | Vancouver Whitecaps from Creighton University | Free agent |
Trophies
| Competition | Winner | Runner-up |
|---|---|---|
| Concacaf Champions Cup | 1 |