Complex sentence: On 4 February 1913, after admitting to having a drinking problem, he was fined again and severely warned about his behaviour, which had little effect, because on 15 April 1913 Conlin was suspended "sine die" and transfer-listed by the club.
Split into simpler sentences: On 4 February 1913, after admitting to having a drinking problem, he was fined again and severely warned about his behaviour. This had little effect, because on 15 April 1913 Conlin was suspended "sine die" and transfer-listed by the club.