Complex sentence: He made a host of substitute appearances for Newcastle after that, notably in the 1--0 away win to Arsenal, when he turned past Arsenal defender Laurent Koscielny and was through on goal before the latter tugged him down and received a red card.
Split into simpler sentences: He made a host of substitute appearances for Newcastle after that, notably in the 1--0 away win to Arsenal. Ranger turned Arsenal defender Laurent Koscielny and was through on goal before the Arsenal player tugged him down and received a red card.