Career
Dátolo started his career in 2000 at Cañuelas in Primera C Metropolitana, Argentina"s fourth division. Dátolo moved to Boca Juniors during the mid-year transfer period of 2006. Boca bought 50% of his pass, and 100% of the sports rights.
He was a regular in the Boca starting line-up since the 2007 Apertura, where his performances gradually improved.
After the Torneo de Verano of January 2009 Dátolo would go on to sign for Italian Serie A club, Napoli. On 16 January 2010, it was announced that Napoli"s 25-year-old midfielder will play on loan for Olympiakos F.C. until the end of the season.
Greek club Olympiacos had beaten off a deal with Datolo ahead of Paris Saint-Germain F.C., who were chasing his signature as well. Dátolo played for Internacional, after arriving from RCD Espanyol.
On 9 August 2013, he signed with Atlético Mineiro.