That swing sure looks familiar.

Jadyn Fielder, the son of former Brewers first baseman Prince Fielder, hit a home un in his first professional at-bat, taken in the Arizona Complex League on May 5. Fielder, 20, was signed as an undrafted free agent last year.

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The two-run homer against Cubs 21-year-old pitcher Anhuar Garcia gave the Brewers a 3-1 lead in what became a Brewers’ 12-6 win. Fielder actually drove in runs in two other at-bats, one with a bases-loaded walk and another with a sacrifice fly.

The Arizona Complex League is a rookie-level league at the bottom of the organizational ladder, playing games at spring-training facilities in and around the Phoenix area. The ACL Brewers are now 2-0 on the year.

This article originally appeared on Milwaukee Journal Sentinel: In his first professional at-bat, Prince Fielder’s son homered