[1] He has also played and coached for the Australian national team in World Baseball Classic (WBC) tournaments.

Collins fared better in his second year at Cedar Rapids, producing at a .320/.412/.482 clip with 16 steals and 32 doubles while splitting time between catcher (59 games) and first base (40).

In Claxton Shield 2009, Australia Provincial was cut from the competition, and Collins was "adopted" into the Queensland Rams, where in 6 games he hit 5 home-runs and, if qualified, would have led the team in slugging with .957.

[3] In 2010–11 and 2011–12, Collins played for the Canberra Cavalry, in the newly established Australian Baseball League (ABL).

Collins returned as coach in 2013–14, and in November 2013, took the club to the Asia Series in Taiwan where the team won the championship.

Collins was hired by the Houston Astros as a bullpen catcher prior to the 2018 season,[4] and took the role as catching coach in 2019.