Chicago Cubs He was signed to a professional baseball contract at the age of 17 with the
Chicago Cubs in 2007. In 2007. Searle spent the first three months of his pro career in spring training and extended spring in Mesa Arizona, then going back to the Australian Academy on the
Gold Coast in Australia. In 2008, Searle went to spring training and extended spring to return to the Australian Academy (MLBAAP) again. There he led the starting pitchers in ERA, WHIP, strike outs, wins and innings pitched. He then returned to
Mesa, Arizona after the MLBAAP to pitch two games before being promoted to the
Boise Hawks, Chicago' Single-A affiliate. There he was 2–2 with a 1.05 ERA in 35+ innings, holding batters to a minuscule .171 against. In 2009, Searle pitched the entire season with the
Daytona Cubs, and was selected as a 2009 Florida State League Mid-Season All-Star at the young age of 19. After a hot start he had a slow second half and his lack of experience started to show. In 2010, Searle started the year in the FSL but was soon after demoted to Single-A
Peoria Chiefs, he was 7–8 with a 4.38 ERA fanning 101 in innings of work. In 2011, Searle started out the season pitching out of Daytona's
bullpen. After posting a 1.59 ERA in 16 games, he was promoted to the Cubs's Double-A affiliate, the
Tennessee Smokies. For the Smokies, Searle logged a 5–3 record with a 3.51 ERA and 66 strikeouts in 23 games. He finished with a combined 3.03 ERA, which lead all Chicago Cubs qualified pitchers. In 2012 Searle again spent time in the FSL with the Daytona Cubs, but also split time between Double-A Tennessee and also reaching his career/high mark for the first time when he was promoted to the Triple-A
Iowa Cubs. He recorded his first and only Triple-A win on 19 August. Searle finished the season with career best mark of eight wins, five losses and a 3.87 ERA over 90+ innings. 2013 was an injury plagued season for Searle, missing almost four months after a forearm sprain. He recovered and went on to make rehabilitation appearances for the rookie-level
Arizona League Cubs before being sent to Daytona to finish out the season. There, alongside Cubs first-round draft pick
Kris Bryant, Searle and
CJ Edwards combined for two two-hit shutouts in the Semi Final clinching game against
Dunedin Blue Jays and then in the Championship clinching game against the
Charlotte Stone Crabs, where they were crowned the
FSL champions for the second time in three years. In the off season of 2013, Searle was offered a free agent contract to sign back with the
Chicago Cubs for the 2014 season. In May 2014, Searle was released from the Cubs organisation following a poor 6.63 ERA season in 19 innings for the Double-A
Tennessee Smokies.
Grand Prairie AirHogs Searle signed with the
Grand Prairie AirHogs following his release from the Cubs and went 5–9 with a 4.39 ERA.
Ishikawa Million Stars On 11 March 2015, Searle signed with the
Ishikawa Million Stars of
Baseball Challenge League. His manager was the age defying player coach,
Julio Franco. He was the league's strikeout leader with 113 in 135 innings pitched ending his time with the team with an 8–7 record and a 1.99 ERA.
Lamigo Monkeys On 5 February 2016, he signed with the
Lamigo Monkeys of
Chinese Professional Baseball League. Despite early success Searle, after sustaining a bad knee injury he never regained form and was released from the team on 10 June. After a series of switches between starting and relief roles to become the 3rd foreign player released by the team that year.
Unipol Bologna In June 2016, it was announced that Searle would be replacing outgoing
Scott Patterson on the
Unipol Bologna team playing in the
Italian Baseball League. Searle went on to pitch innings with a 0.53 ERA over the course of the regular season and playoffs, leading his new team to the Italian Baseball League championship.
Québec Capitales On 13 March 2018, Searle signed with the
Québec Capitales of the
Can-Am League. He was released on 26 July. == Winter League ==