Complex sentence: As well as the local leagues, there are a number of local cup competitions competed for; however, the biggest competition is the Scottish Junior Cup, which every junior club competes for annually, with the final generally held each May.
Split into simpler sentences: As well as the local leagues, there are a number of local cup competitions competed for as well. However the biggest competition is the Scottish Junior Cup which every'junior' club competes for annually, with the final generally held each May.