The Brewers selected Henderson's contract from Triple-A Nashville on Tuesday, Adam McCalvy of MLB.com reports.
Henderson has a 5.49 ERA, 1.22 WHIP and 22:6 K:BB in 19.2 innings through five starts for Triple-A Nashville.
Henderson (oblique) was activated from the 7-day injured list Friday and gave up one earned run on one hit and two walks while striking out three over 2.2 innings for High-A Wisconsin.
Henderson (oblique) will open the year on the injured list with High-A Wisconsin, Sam Dykstra of MLB.com reports.
Henderson left the breakout game due to left oblique discomfort, Curt Hogg of the Milwaukee Journal Sentinel reports.
Henderson is being held back in extended spring training in an effort to manage his workload this season, Sam Dykstra of MLB.com reports.