[2] In 2015, he pitched for the GCL Red Sox in the Gulf Coast League, and was 2–1 with two saves and a 1.71 ERA in 26.1 innings in which he struck out 28 batters.

[2] He missed the 2016 season, after undergoing Tommy John surgery to repair an ulnar collateral ligament injury.

[3] In 2017, Duron spent the season with the Low-A Lowell Spinners, pitching to a 3-5 record and 3.35 ERA with 36 strikeouts in 53.2 innings of work across 13 appearances (12 starts).

The next year, he split the season between the rookie-level GCL Red Sox and the Single-A Greenville Drive, posting a cumulative 0-6 record and 7.53 ERA with 24 strikeouts in 28.2 innings pitched in 10 games (6 starts).

[6] He finished the year appearing in 25 games for the High-A Modesto Nuts, logging a 3-1 record and 2.23 ERA with 51 strikeouts in 36+1⁄3 innings pitched.

[14] He began the 2023 season with the Triple-A Sacramento River Cats, where he posted a 1-1 record and 2.25 ERA with 9 strikeouts in 8.0 innings pitched across 6 appearances.

[15] Despite strong results in Sacramento, Duron struggled to a 12.91 ERA with 8 strikeouts in 7+2⁄3 innings across 8 games for the Triple–A El Paso Chihuahuas.