Rios grew up in Bellflower, California and attended St. John Bosco High School.
[2] Rios barely played during his first two seasons with the Cardinal, appearing in eight games and going hitless in seven at-bats.
[4] Rios battied .384 with 18 home runs and was named the Pac-12 Conference Baseball Player of the Year and a consensus first team All-American.
[7] Rios made his professional baseball debut on July 21 with the rookie-level Arizona Complex League Angels, going 1-for-3 with a run and an RBI against the ACL Diamondbacks.
On July 25, he was promoted to the Class A Inland Empire 66ers of the California League.