Complex sentence: Additionally to his commitment with Murata, Agostini is also a beach soccer player, part of the Italian national team, serving also as its head coach from 2005 to 2007.
Split into simpler sentences: Additionally to his commitment with Murata, Agostini is also a beach soccer player. He is currently part of the Italian national team, serving also as its head coach from 2005 to 2007.