Complex sentence: Talamonti began his career with Rosario Central in the city of Rosario in Argentina, after making nearly 100 appearances for the club he was sold to Italian Serie A side S.S. Lazio but after only one year in Italy he returned to Argentina to play for River Plate.
Split into simpler sentences: Talamonti began his career with Rosario Central in the city of Rosario in Argentina and after making almost 100 appearances for the club he was sold to Italian Serie A side Lazio. But after only one year in Italy he returned to Argentina to play for River Plate.