Complex sentence: Edward P. Mosby was an English professional rugby league footballer who played in the 1900s, playing at representative level for England, and at club level for Bradford (now Bradford Park Avenue A.F.C.).
Split into simpler sentences: Edward P. Mosby was an English professional rugby league footballer who played in the 1900s. He played at representative level for England, and at club level for Bradford (now Bradford Park Avenue A.F.C.).