Fans weren't the only ones stunned by Shedeur Sanders' monumental draft slide -- his former college teammates were also flabbergasted ... including Colorado Buffaloes linebacker Gage Goldberg.
We asked the 19-year-old LB -- son of WWE legend Goldberg -- for his thoughts as he watched Sanders, who was projected to go as high as third overall, fall to the middle of the 5th round, where the Cleveland Browns selected him with the 144th pick.
"We were all shocked, the whole team was," Gage told us.