Complex sentence: Des Hasler (born 16 February 1961 in Gosford, New South Wales) is an Australian former rugby league footballer of the 1980s and 90s and current head coach of the Manly-Warringah Sea Eagles of the National Rugby League.
Split into simpler sentences: Des Hasler (born 16 February 1961 in Gosford, New South Wales) is an Australian professional rugby league football coach and former player. He currently coaches the Manly-Warringah Sea Eagles of the National Rugby League.