Complex sentence: McManus started his career with Hibernian, making his debut against Stranraer in 1999, while he enjoyed his first start in an Edinburgh derby against Heart of Midlothian a year later.
Split into simpler sentences: McManus started his career with Hibernian, making his debut against Stranraer in 1999. He made his first start in an Edinburgh derby against Heart of Midlothian a year later.