The 33-year-old Dane previously rode for the team in 2016 before a one-year stint with Astana.
Matti Breschel and Pello Bilbao among four new signings announced by Astana on Wednesday
Matti Breschel talks about working for Oleg Tinkov, switching to Cannondale, aiming for Roubaix, and how the peloton has changed.
Two-time world championships medalist Matti Breschel will join Cannondale-Garmin in 2016 after three years with Tinkoff-Saxo.
While motorpacing on Friday, a driver in a car cuts off Matti Breschel and causes the former Danish champion to crash
Global Cycling Network takes a look at the mountains of new kit that Tinkoff-Saxo's Matti Breschel has at his disposal
Danish classics rider says he crashed hard Sunday after a mattress took out his front wheel
Danish rider claims the yellow jersey after winning stage 3
Katusha rider dashes to the finish line with 250 meters left to take the victory
The Saxo-Tinkoff speedsters hope to leave the other sprinters' trains in the station