|Full name||Salisu Abdullahi Gero|
|Date of birth||10 October 1993|
|Place of birth||Kano State, Nigeria|
|Height||1.89 m (6 ft 2 in)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 2 September 2017.
‡ National team caps and goals correct as of 19 November 2013
Gero started out playing football in the streets of Kano before signings his first professional contract with El-Kanemi Warriors at age sixteen. The next year he moved on to Lobi Stars. During the midseason transfer window in April 2012 Gero moved to Enugu Rangers from Kaduna United F.C. and scored instantly on his debut in against Akwa United which helped his team to a valuable 1-1 draw that kept them in touching distance of winning the 2012 Nigeria Premier League.
In August 2013, Gero signed a contract with Osters, a team relegated to the Superettan for the 2014 season (the 2nd highest league in Sweden).
In December 2014, Danish club Viborg FF announced that they signed Alhaji on a free transfer. He played 15 matches and scored 1 goal in his first season.
16 January 2016, Viborg FF and Gero agreed to terminate the contract after minimal playing time.
Gero made his debut for the Nigeria national under-20 football team at the 8 nation tournament in South Africa. He scored two goals on his competitive debut for the U20 team in their 2-1 away win against Tanzania at the 2013 African Youth Championship qualification. He scored again on the return leg of the same fixture which Nigeria has now won 4-1 on aggregate. Gero also played for the U20 team in the 2013 FIFA U-20 World Cup.
- "I will move from Enugu Rangers to Europe - Alhaji Gero". Weekly Trust. Retrieved 19 November 2013.
- "Alhaji Gero excited with his first goal for Enugu Rangers". Goal.com. Retrieved 2012-09-24.
- "NPL Star of the Week: Alhaji Gero". MTNFootball. Retrieved 24 September 2012.
- "Rangers' Alhaji Gero joins Swedish side Osters IF". Goal.com. 10 August 2013. Retrieved 6 February 2016.
- Kasseret VFF’er fortsætter i Allsvenskan, bold.dk, 18 January 2016
- "Obuh confident after Tanzania win - News". Kick Off. 2012-07-30. Retrieved 2012-08-13.
- "Flying Eagles 2-0 Tanzania: Ajagun and Gero strike to give the U-20 side victory". Goal.com. Retrieved 2012-08-13.
- "Nigeria name squad for 2013 FIFA U20 World Cup". 8 June 2013. Retrieved 19 April 2016.
- "Alhaji Gero happy with invitation to Super Eagles". Goal.com. Retrieved 2013-11-19.