Complex sentence: He made his Premiership debut in a 2-2 draw at Sunderland, however, has struggled to stake a real claim for a first team place, but has made some appearances for the club as a substitute.
Split into simpler sentences: He made his Premiership debut in a 2-2 draw at Sunderland. He struggled however, to stake a real claim for a first team place, making some appearances for the club as a substitute.