Kevin Kimani has rejoined Mathare United on a two year deal from Sofapaka. Kiruthi Kimani returns for a second stint at the club. He is happy to have reunited with the slum boys and stated that he is settled because he understands the style of play coach Kimanzi uses. Kimani began his career in Kenya with KCB, then left for a spell with his current club. Kimani left Mathare for Belgian football in 2012 and joined Belgian third division team Bocholter where he participated in eight fixtures for them before leaving in 2013 to sign for Greek football League club Fostiras.
After nine appearances for Fostiras, he left in 2014 and joined the brewers. He left for short spells with South African team Jomo Cosmos and Kenyan side AFC Leopards in 2016 and 2017 respectively. After only a few weeks with AFC Leopards, Kimani joined Saudi First Division side Al-Hazem.
He terminated his contract with Al-Hazem on 4 June 2017. During his time with Al-Hazem, Kimani scored one goal in a first division win against eventual champions Al-Fayha on 8 April. On 31 January 2018, Kimani joined KPL side Sofapaka. He scored his first goal for Sofapaka on 28 February during a 2–1 home victory over former club AFC Leopards. Kimani was released in November, having netted three goals in the 2018 season. Kimani has represented his nation on nine occasions.