VANCOUVER, BC – Vancouver Whitecaps FC announced on Wednesday that the club has signed Whitecaps FC 2 (WFC2) defender Mark O'Neill to an MLS short-term agreement for tonight’s Concacaf Champions Cup quarterfinal first leg against Pumas UNAM at BC Place. This marks the second time this season that O'Neill has been signed to an MLS short-term agreement having previously making the matchday roster on March 22 against Chicago Fire FC.
O'Neill, who also spent time with the first team in Marbella, Spain, as well as the first two games in February, has started all three WFC2 matches to open the MLS NEXT Pro season.
Prior to arriving in Vancouver in January, the 23-year-old played five seasons at the University of Creighton, captaining the Bluejays during his final three seasons. In total, the midfielder started 77 of his 83 appearances for the Bluejays, scoring 10 goals and recording four assists.
During his senior season, O’Neill was selected to the 2024 All-BIG EAST Second Team, following an All-BIG EAST Third Team selection in 2023.
In-between his collegiate seasons, O’Neill spent time playing for Vermont Green in USL League Two. In his youth, the product of Louisville, Colorado played for Real Colorado.
O’Neill has five siblings, including experienced former MLS defender Shane O’Neill.
TRANSACTIONS: On April 2, 2025, Whitecaps FC sign defender Mark O'Neill to an MLS short-term agreement.
Mark O'Neill
Position: Centre Back
Height: 6-01
Weight: 185 pounds
Date of Birth: March 8, 2002 in Boulder, Colorado
Hometown: Louisville, Colorado
Citizenship: United States
Status: Domestic
University: University of Creighton (2020-24)
Former Club: Vermont Green (USL League Two)
Youth Club: Real Colorado
Whitecaps FC MLS short-term agreements:
1. Emiliano Brienza at Columbus Crew - February 26, 2022
2. Ali Ahmed at Austin FC - April 23, 2022
3. Vasco Fry at Austin FC - April 23, 2022
4. Max Anchor at Charlotte FC - May 22, 2022
5. Chris Lee vs. Minnesota United FC - July 8, 2022
6. Chris Lee at FC Cincinnati - July 13, 2022
7. Ali Ahmed vs. Houston Dynamo FC - August 5, 2022
8. Simon Becher vs. Houston Dynamo FC - August 5, 2022
9. Easton Ongaro at LA Galaxy - August 13, 2022
10. Simon Becher at Colorado Rapids - September 10, 2022
11. Vasco Fry at Real C.D. España and at LA Galaxy - March 15 to 18, 2023
12. Levonte Johnson at Real C.D. España and at LA Galaxy - March 15 to 18, 2023
13. Vasco Fry at Minnesota United FC - March 25, 2023
14. Levonte Johnson at York United FC - May 10, 2023
15. Levonte Johnson at Pacific FC and at St. Louis CITY SC - May 24 to 27, 2023
16. Levonte Johnson vs. CF Montréal - June 7, 2023
17. Giovanni Aguilar at Colorado Rapids - June 21, 2023
18. Giovanni Aguilar at LAFC - June 24, 2023
19. Giovanni Aguilar at Sporting Kansas City - July 1, 2023
20. Jeevan Badwal vs. Tigres UANL - February 7, 2024
21. Jay Herdman vs. Tigres UANL - February 7, 2024
22. Jay Herdman vs. Charlotte FC - March 2, 2024
23. Jay Herdman at Seattle Sounders FC - April 20, 2024
24. Cyprian Kachwele at Cavalry FC - May 7, 2024
25. Cyprian Kachwele at Colorado Rapids - May 15, 2024
26. Cyprian Kachwele vs. Cavalry FC - May 21, 2024
27. Jeevan Badwal at New England Revolution - June 15, 2024
28. Nicolas Fleuriau Chateau vs. St. Louis CITY SC - June 29, 2024
29. Nicolas Fleuriau Chateau at Minnesota United FC - July 3, 2024
30. Nicolas Fleuriau Chateau at CF Montréal - July 6, 2024
31. Jeevan Badwal at Pacific FC - July 10, 2024
32. Mihail Gherasimencov vs. Wrexham AFC - July 27, 2024
33. Finn Linder vs. Wrexham AFC - July 27, 2024
34. Buster Sjöberg vs. Wrexham AFC - July 27, 2024
35. Eliot Goldthorp vs. Wrexham AFC - July 27, 2024
36. Liam Mackenzie vs. Wrexham AFC - July 27, 2024
37. Malcolm Simmons vs. Wrexham AFC - July 27, 2024
38. Finn Linder vs. Club Tijuana - August 3, 2024
39. Eliot Goldthorp vs. Club Tijuana - August 3, 2024
40. Finn Linder vs. Pumas UNAM - August 7, 2024
41. Cyprian Kachwele at Austin FC - August 31, 2024
42. Jeevan Badwal vs. FC Dallas - September 7, 2024
43. Nicolas Fleuriau Chateau vs. FC Dallas - September 7, 2024
44. Liam Mackenzie at CF Monterrey and at FC Dallas - March 12 to 15, 2025
45. Liam Mackenzie vs. Chicago Fire FC - March 22, 2025
46. Mark O'Neill vs. Chicago Fire FC - March 22, 2025
47. Mark O'Neill vs. Pumas UNAM - April 2, 2025
