Complex sentence: Playing youth and reserve team football with West Ham Lee signed on loan for Dagenham & Redbridge in March 2011 making his debut in their 2-1 away defeat to Exeter City on 2 April 2011.
Split into simpler sentences: Playing youth and reserve team football with West Ham, Lee signed on loan for Dagenham & Redbridge in March 2011. He made his debut in their 2--1 away defeat to Exeter City on 2 April 2011.