[6] Howard signed and was assigned to the Dayton Dragons, where he spent his first professional season, posting a 2–1 record, 3.74 ERA, and a 1.16 WHIP in 33.2 innings.

In 2016, he pitched for the Daytona Tortugas, posting a 6.75 ERA in only 20 innings before an injury caused him to miss the rest of the season.

[8] On August 13, 2019, Howard signed a minor league contract with the Kansas City Royals.

[13] On June 4, 2022, Howard signed with the York Revolution of the Atlantic League of Professional Baseball.

On November 18, 2022, Howard signed a minor league contract to return to the Cincinnati Reds organization.

However, on February 2, 2023, Howard signed with the Lake Country DockHounds of the American Association of Professional Baseball.

[15] Before the start of the American Association season, on February 14, Howard signed a minor league contract with the Atlanta Braves organization and was assigned to the Triple-A Gwinnett Stripers.