The Brewers announced Tuesday that righty Josh Fields has been released from their Triple-A affiliate in San Antonio. Per Tom Haudricourt of the Milwaukee Journal-Sentinel (on Twitter), Fields exercised the April 30 opt-out clause in the minor league deal he signed with Milwaukee last month.

The former Dodgers righty was off to a miserable start to the season in San Antonio, where he’d yielded eight runs (seven earned) on seven hits and four walks with five strikeouts in just 7 2/3 innings of work. Fields allowed runs in six of his first seven Triple-A appearances this year, though he did finish out that otherwise forgettable stint with three shutout innings across three appearances (one hit, no walks, three strikeouts), so perhaps he’s begun to turn a corner.

Since being acquired by the Dodgers in 2016, the now-33-year-old Fields has racked up 117 1/3 innings of relief and pitched to a terrific 2.61 ERA with 8.8 K/9, 2.6 BB/9 and 1.22 HR/9. Beyond that recent track record, Fields generally averages nearly 95 mph on his heater with strong swinging-strike and opponents’ chase rates, all of which should be alluring to other clubs. He’s an extreme fly-ball pitcher thanks to a heavy reliance on a four-seam fastball, but Fields has allowed well less than a homer per nine innings pitched dating back to 2014 (even when factoring in an outlier 1.58 HR/9 mark in 2017).