Complex sentence: Sereno scored his first goal for his next club, Atlético de Kolkata, on 18 December 2016, the equaliser as they went on to win the final of the Indian Super League on penalties against Kerala Blasters FC.
Split into simpler sentences: Sereno scored his first goal for his next club, Atlético de Kolkata, on 18 December 2016. It proved to be the equaliser as they went on to win the final of the Indian Super League on penalties against Kerala Blasters FC.