Brault retired from professional baseball Nov. 6.
Brault has signed with the yet-to-be-named Atlantic League based in Frederick, Maryland.
Brault (lat) became a minor-league free agent Friday, Jordan Bastian of MLB.com reports.
Brault cleared waivers and was outrighted to Triple-A Iowa on Thursday, Andy Martinez of Marquee Sports Network reports.
Brault recently aggravated his left lat strain and has returned to Arizona to start a rehab process, Tony Andracki of Marquee Sports Network reports.
Brault (shoulder) will begin a rehab assignment at Triple-A Iowa on Tuesday, Maddie Lee of the Chicago Sun-Times reports.
Brault (shoulder) will throw a bullpen session Tuesday, Taylor McGregor of Marquee Sports Network reports.
Brault was placed on the 15-day injured list Wednesday with a left shoulder strain, Meghan Montemurro of the Chicago Tribune reports.
Brault (illness) was reinstated from the COVID-19 injured list Wednesday, Maddie Lee of the Chicago Sun-Times reports.