Complex sentence: However, with his history of injuries, no offers were made, and he ultimately left Blackburn Rovers upon the expiry of his contract at the end of the 2011/12 Barclays Premier League season; a season in which he only made 2 appearances for Rovers.
Split into simpler sentences: However, with his history of injuries, no offers were made, and he ultimately left Blackburn Rovers apon the expiry of his contract at the end of the 2011/12 Barclays Premier League season. A season in which he only made 2 appearances for Rovers.