Complex sentence: He played his first match as a professional on 1 August, starting in a 2--1 away win against K.R.C. Genk; he scored his first professional goals on 5 December, netting a brace against K.S.V. Roeselare.
Split into simpler sentences: He played his first match as a professional on 1 August, starting in a 2--1 away win against K.R.C. Genk. He scored his first professional goals on 5 December, netting a brace against K.S.V. Roeselare.