Hughes has accepted a job as the high-performance manager of Baseball WA and will work with elite junior players and help coach their on-field performance.
The Heat, based at Baseball Park in Thornlie, finished fifth on the ladder, missing out on finals.
The Perth side has been the most successful team since the league was revamped in 2009, being champions in four out of six seasons and coming second once.
Starting at the Morley Eagles, Hughes worked his way up to the highest levels of the game, playing with the Minnesota Twins and Oakland Athletics.
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READ NOWThe 31-year-old said that now he was no longer playing overseas, he wanted to start thinking about his coaching career.
“I am pretty excited to move into this new role,” he said.
“My job is to help guide the junior baseball players, both men and women, over the next couple of months,” he said.