Career
College and Amateur
Casiple spent his entire college career at the University of California, Berkeley. He made a total of 74 appearances for the Golden Bears and tallied six goals and 27 assists. He also played in the Premier Development League for Austin Aztex and San Jose Earthquakes U23.
Professional
On January 20, 2015, Casiple was the last player taken in the 2015 Master of Library Science SuperDraft.
He was selected by the Portland Timbers in the fourth round (84th overall). However he was cut from camp during preseason and on March 26, he signed a professional contract with USL affiliate club Portland Timbers 2.
He made his professional debut on May 19 and assisted on both of T2"s goals in their 2–0 victory over PDL club Michigan Buckinghamshire in the third round of the 2015 Lamar Hunt United States. Open Cup.