Yousaf made his professional debut on 21 May 2015, scoring a four-round points decision (PTS) victory over Anwar Alfadli at the Octagon Centre in Sheffield, England.[2] He fought another four times in 2015; PTS wins over Stefan Slavchev in March[3] and Mikheil Soloninkini in April;[4] and technical knockout (TKO) wins over Khvicha Gigolashvili in May[5] and Gary Reeve in October.[6]
He secured another five wins in 2016; Sergey Tasimov[7] and Jose Aguilar[8] by PTS in February and April respectively; Robert Kanalas in May,[9] Gyula Dodu in September[10] and Felix Moncada in December,[11] all by TKO.
Following three PTS wins–Louis Norman in May 2017;[12] Brett Fidoe in November;[13] and Isaac Quaye in February 2018[14]–Yousaf fought for his first professional title against Conar Blackshaw on 5 October 2018 at the Barnsley Metrodome in Barnsley. Yousaf won via sixth-round corner retirement (RTD) to capture the Englishflyweight title.[15]
He secured two more wins in 2019; Steven Maguire by TKO in March[16] and Ricky Leach by PTS in November.[17]