The natural right-back played in the S-League for Singapore Armed Forces, Tanjong Pagar United and Geylang International FC.
[2] He made his debut for the Singapore national team on 8 January 2007 against Philippines.
[3] Osman played 9 times for the Singapore national football team.
[4] He was part of the Singapore Under-23 team that took part in the 2007 Southeast Asian Games in Korat, Thailand that won a bronze medal.
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