Complex sentence: He made his professional debuts with F.C. Penafiel, first appearing in a 1--1 home draw against Rio Ave FC; he was an important offensive element throughout the campaign, as his team retained its top level status.
Split into simpler sentences: He made his professional debuts with F.C. Penafiel, first appearing in a 1--1 home draw against Rio Ave FC. He was an important offensive element throughout the campaign, as Penafiel retained its top level status.