Garza was born on October 17, 1989, in Carrollton, Texas.[1] After his father's job moved him to New Mexico, he returned to Highland Village, Texas, to attend Edward S. Marcus High School and play on the school's varsity soccer team from 2005 to 2008.[2][3] Garza would win back-to-back Texas Class 5A State titles with the team and was named as the 2008 Texas Gatorade Player of the Year and a NSCAA All-American.[2][3]
Garza attended the University of Denver and played college soccer for the Denver Pioneers men's soccer team. He made 20 appearances for the Pioneers and scored 4 goals before tearing his ACL and meniscus early in his sophomore year.[4][5][6]
In February 2014, San Jose sent Garza on loan to North American Soccer League side San Antonio Scorpions.[13] Garza, on his loan to San Antonio, stated "When I got loaned to San Antonio Scorpions, it was one of the worst times of my life. I was not enjoying my football."[2] He would make 2 appearances for the club before San Jose waived him in July 2014.[14]
Garza joined USL PRO side Arizona United SC for the remainder of the 2014 season.[1] He appeared in 9 games, scoring once.[15] While playing for Arizona United, he caught the attention of Ezra Hendrickson and a conversation with Sigi Schmid ensued, leading Garza to Seattle.[2] At the conclusion of the season, Garza returned home to Texas and set forth a career in coaching and teaching at Marcus High School, becoming the school's varsity head coach in 2019.
Seattle Sounders FC 2
Following his conversations at the end of the prior season, Garza went on trial with Seattle Sounders FC 2 of the United Soccer League in February 2015.[16] His trial was successful and he signed with the club in March 2015.[17][18] He appeared in 23 games, adding 4 goals and 2 assists, but he was not retained for the following season.[19]
Return to Arizona
Arizona United re-signed Garza in February 2016 for the 2016 USL season.[19] In November 2016, Garza was named as the head coach for the Marcus Marauders Football Club (MMFC), the Boys Soccer team at his alma mater Edward S. Marcus High School, in Flower Mound, Texas.