Complex sentence: Since its formation, the team has enjoyed relative success in the Strathclyde Saturday Morning League winning seven trophies in 13 years, more notably the Premier Division in Season 2009--10 under the Management of Tommy Livingston and his assistant Dougie Craggs.
Split into simpler sentences: Since its formation, the team has enjoyed relative success in the Strathclyde Saturday Morning League, winning seven trophies in 13 years. They won the Premier Division in Season 2009--10 under the management of Tommy Livingston and his assistant Dougie Craggs.