Both players joined the Scottish giants in the summer of 2011, featuring regularly in the 2011-12 campaign, before the club's demotion to the bottom tier required a reduction of the wage bill.
Bocanegra spent last season on loan at Racing Santander, while Goian was temporarily at Spezia Calcio in Serie B, but both will now be looking for permanent clubs.
|OUT OF RANGE?|
|250/1||Rangers are 250/1 with BetVictor to finish bottom of the Scottish Second Division|
The pair join the likes of Neil Alexander and Kane Hemmings in departing Rangers, who are preparing for their Scottish Second Division challenge, this summer.