Aiden O'Neill#21
New York City·
MLS Next Pro·Midfield - Defensive Midfield
€3.00mMarket value#9 in New York City
Club matchesNew York City
Philadelphia Union II
Connecticut FC
New York RB II
Inter Miami II
Toronto IIStatistics
This season
| Season | Competition | Apps | Min | G | A | YC | RC |
|---|---|---|---|---|---|---|---|
| 2026 | MLS | 12 | 929 | 0 | 1 | 2 | 0 |
| 2026 |  US Open Cup | 1 | 90 | 0 | 0 | 0 | 0 |
By competition
| Competition | Apps | G | A |
|---|---|---|---|
| A-League Men | 98 | 8 | 5 |
| Jupiler Pro League | 48 | 1 | 1 |
| League One | 36 | 1 | 4 |
| MLS | 32 | 0 | 1 |
| Croky Cup | 4 | 1 | 1 |
| FA Cup | 4 | 0 | 0 |
| A-League Fin. | 4 | 0 | 2 |
| MLS Cup Playoffs | 4 | 0 | 0 |
 Premier League | 3 | 0 | 0 |
 Leagues Cup | 3 | 0 | 0 |
 Australia Cup | 3 | 0 | 0 |
 EFL Trophy | 2 | 0 | 0 |
| EFL Cup | 2 | 0 | 0 |
| JPL Europe Play-Offs | 2 | 0 | 0 |
| US Open Cup | 1 | 0 | 0 |
| Europa League Qualifying | 0 | 0 | 0 |
| AFC Champions League | 0 | 0 | 0 |
By club
| Club | Apps | G | A |
|---|---|---|---|
 Melbourne City | 64 | 4 | 6 |
 Standard Liège | 54 | 2 | 2 |
| New York City | 40 | 0 | 1 |
| Fleetwood | 27 | 1 | 3 |
 Central Coast | 23 | 4 | 0 |
 Brisbane Roar | 18 | 0 | 1 |
 Oldham Athletic | 15 | 0 | 1 |
 Burnley | 5 | 0 | 0 |
Transfers12
| Date | Season | From | To | Fee | Market value |
|---|---|---|---|---|---|
| 23/04/2025 | 24/25 | Standard Liège | New York City | €2.00m | €3.00m |
| 01/07/2023 | 23/24 | Melbourne City | Standard Liège | free transfer | €750k |
| 09/09/2020 | 20/21 | Burnley | Melbourne City | free transfer | €500k |
| 30/06/2020 | 19/20 | Brisbane Roar | Burnley | End of loan | €500k |
| 01/07/2019 | 19/20 | Burnley | Brisbane Roar | loan transfer | €500k |
| 30/06/2019 | 18/19 | Central Coast | Burnley | End of loan | €500k |
| 15/08/2018 | 18/19 | Burnley | Central Coast | loan transfer | €500k |
| 02/01/2018 | 17/18 | Fleetwood | Burnley | End of loan | €100k |
| 01/08/2017 | 17/18 | Burnley | Fleetwood | loan transfer | €100k |
| 31/05/2017 | 16/17 | Oldham Athletic | Burnley | End of loan | €100k |
| 31/01/2017 | 16/17 | Burnley | Oldham Athletic | loan transfer | - |
| 01/07/2016 | 16/17 |  Burnley U18 | Burnley | - | - |
Market value
€3.00m Current€3.00m Highest · 11/12/202402/06/2026 Last change
21.04.201702.06.2026
#10 Australia#308 Defensive Midfield#130 MLS#9 New York City#3.484 Worldwide#263 Year 1998
Value history
| Date | Age | Club | Value |
|---|---|---|---|
| 21/04/2017 | 18 | Oldham Athletic | €100k |
| 28/05/2018 | 19 | Burnley FC | €500k |
| 02/03/2019 | 20 |  Central Coast Mariners | €500k |
| 11/09/2019 | 21 | Brisbane Roar | €550k |
| 08/04/2020 | 21 | Brisbane Roar | €500k |
| 08/10/2020 | 22 | Melbourne City FC | €500k |
| 30/03/2021 | 22 | Melbourne City FC | €500k |
| 01/10/2021 | 23 | Melbourne City FC | €500k |
| 06/05/2022 | 23 | Melbourne City FC | €600k |
| 05/04/2023 | 24 | Melbourne City FC | €750k |
| 19/12/2023 | 25 | Standard Liège | €1.20m |
| 22/03/2024 | 25 | Standard Liège | €1.50m |
| 04/06/2024 | 25 | Standard Liège | €1.50m |
| 02/10/2024 | 26 | Standard Liège | €2.50m |
| 11/12/2024 | 26 | Standard Liège | €3.00m |
| 05/06/2025 | 26 | New York City FC | €3.00m |
| 11/12/2025 | 27 | New York City FC | €3.00m |
| 02/06/2026 | 27 | New York City FC | €3.00m |
Teammatessame club
Agustín OjedaAttack - Left Winger22age€5.00mvalue
Alonso MartínezAttack - Centre-Forward27age€5.00mvalue
Andrés PereaMidfield - Defensive Midfield25age€2.50mvalue
Arnau FarnósAttack - Second Striker23age€150kvalue
Bénie TraoréAttack - Left Winger23age€8.00mvalue
Cooper FlaxMidfield - Attacking Midfield22age-value
Drew BaieraDefender - Right-Back19age€200kvalue
Greg RanjitsinghGoalkeeper33age€75kvalue