The pair rode together for five seasons at Liquigas, and will be teammates next year on the new Middle Eastern WorldTour team.
For some riders over 40, the prospects of racing in the peloton next year are still up in the air as they seek contracts.
It was a busy week for pro cycling's agents as numerous notable pros renewed contracts or traded to new teams for 2016.
Vincenzo Nibali dismisses allegations that he worked with Michele Ferrari, saying that while claims were made, nothing came of them
The GC field at the Giro is filled with riders both young and old, such as 24-year-old Nairo Quintana (above) and 37-year-old Cadel Evans
The rider, who returned last year from a two-year doping ban, tried to join Astana but contract negotiations fell through
The Italian rider cannot come to an agreement with Astana because of the rules of the Movement for a Credible Cycling
Kazakh squad loads up for 2014, but with some controversy
The Androni Giocattoli rider's bike is built up with a Campagnolo Super Record EPS group
Italian attacked with Vincenzo Nibali on the finishing climb of stage 14, where Santambrogio was victorious