Complex sentence: Despite his immobility, Herbert returned to racing at the beginning of 1989 in Formula 1, scoring points on his debut at the Brazilian Grand Prix driving for the Benetton team, then managed by his long-time mentor and friend Peter Collins.
Split into simpler sentences: Despite his immobility, Herbert returned to racing at the beginning of 1989. Even more remarkably, he was now in Formula 1, scoring points on his debut at the Brazilian Grand Prix driving for the Benetton team, then managed by his long-time mentor and friend Peter Collins.