His success in 2012 saw him earn a move to UCI World Tour champions Team Sky, where he was expected to play the role of a super-domestique for either Bradley Wiggins at the Giro d'Italia or Chris Froome at the Tour de France.

In October 2014 Astana announced they had signed Cataldo for the 2015 season, with the team's general manager Alexander Vinokourov describing his role as being a climbing lieutenant for Vincenzo Nibali and Fabio Aru, as well as contributing to the team's performance in team time trials.
His success in 2012 saw him earn a move to UCI World Tour champions Team Sky, where he was expected to play the role of a super-domestique for either Bradley Wiggins at the Giro d'Italia or Chris Froome at the Tour de France.
In October 2014 Astana announced they had signed Cataldo for the 2015 season, with the team's general manager Alexander Vinokourov describing his role as being a climbing lieutenant for Vincenzo Nibali and Fabio Aru, as well as contributing to the team's performance in team time trials.
Dario Cataldo