External links
- Kasey Bos at WorldFootball.net
  | This biographical article related to Australian soccer is a stub. You can help Wikipedia by expanding it. |
| Personal information | |||
|---|---|---|---|
| Date of birth | 8 May 2004 | ||
| Place of birth | Australia | ||
| Height | 1.80 m (5 ft 11 in) [1] | ||
| Position(s) | Left-back, left winger | ||
| Team information | |||
Current team | Mainz 05 | ||
| Number | 18 | ||
| Youth career | |||
| Point Cook [2] | |||
| Melbourne City | |||
| 2021–2023 | Melbourne Victory | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2023–2025 | Melbourne Victory NPL | 27 | (3) |
| 2023–2025 | Melbourne Victory | 25 | (3) |
| 2025– | Mainz 05 II | 2 | (0) |
| 2025– | Mainz 05 | 0 | (0) |
| * Club domestic league appearances and goals as of 24 August 2025 ‡ National team caps and goals as of 10 July 2025 | |||
Kasey Bos (born 8 May 2004) is an Australian professional soccer player who plays as a left-back or left winger for German Bundesliga club Mainz 05.
After playing a key role in Melbourne Victory Youth's promotion from NPL3 to the second tier of Victorian football, on 8 February 2024, Bos was elevated to Melbourne Victory's senior squad. [3]
Bos made his A-League debut with Melbourne Victory as a substitute against the Central Coast Mariners on 25 February 2024. [4]
In Melbourne Victory's elimination final against Melbourne City on 5 May 2024, with the Victory trailing 1–0 with less than 3 minutes of regulation time remaining, Bos assisted Nishan Velupillay's 88th minute equalising goal, which sent the match into extra time, with the Victory eventually prevailing 3–2 in a penalty shootout. [5]
Bos scored his debut first team goal with Melbourne Victory in an Australia Cup match against Moreton City Excelsior on 14 September 2024, with Bos scoring the Victory's third goal in an eventual 4–0 win. [6] [7]
Bos scored his debut A-League goal on 1 March 2025, a last-minute 97th minute equaliser against Brisbane Roar, which helped the Victory secure a 1-1 draw. [8]
In June 2025 Bos signed for Bundesliga club Mainz 05 on a four-year contract. [9]
In June 2025 Bos was called up by the Australian national team for their June FIFA World Cup qualifiers against Japan and Saudi Arabia. [10]
Bos is the younger brother of Jordan Bos of Feyenoord, whom he played alongside at Melbourne City FC Youth. [11] [12]
| Club | Season | League | National cup | Continental | Other | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| Melbourne Victory Youth | 2023 | NPL Victoria 3 | 16 | 3 | 0 | 0 | 0 | 0 | — | 16 | 3 | |
| Melbourne Victory | 2023–24 | A-League Men | 2 | 0 | 1 | 0 | 2 | 0 | — | 5 | 0 | |
| 2024–25 | 23 | 3 | 4 | 1 | 3 | 1 | — | 30 | 5 | |||
| Total | 25 | 3 | 5 | 1 | 5 | 1 | — | 35 | 5 | |||
| Career total | 41 | 6 | 5 | 1 | 5 | 1 | — | 51 | 8 | |||
| | This biographical article related to Australian soccer is a stub. You can help Wikipedia by expanding it. |