He also was a member of the Winnipeg Blue Bombers and Ottawa Rough Riders in the Canadian Football League (CFL).
As a freshman, he was named the starter at quarterback until, suffering a dislocated right shoulder in the sixth game against the University of Hawaii.
On August 23, 1988, he was released before the start of the season, after being passed on the depth chart by rookie Tom Tupa.
[8] The brightest spot in Garza's career came in 1993, when he replaced an injured Matt Dunigan in Week 17 of the season.
Garza's success was short lived, as the team lost the Grey Cup 33-23 to the Edmonton Eskimos.
[9] Garza tore his ACL early in the 1994 season in Winnipeg, and spent the next 8 months recovering from that injury.
In July 1995, he was traded to the Ottawa Rough Riders along with offensive lineman David Black, in exchange for quarterback Shawn Moore.
[10] Even though he spent his time splitting the quarterback duties with Danny Barrett, he still managed to finish the season with 2,954 passing yards and 13 touchdowns.