Featherston was promoted to Triple-A Omaha on Friday, Jeffrey Flanagan of MLB.com reports.
Featherston signed a minor-league contract with the Royals, Brandon Warne of ZoneCoverage.com reports.
Featherston was released by the Twins on Monday, Brandon Warne of ZoneCoverage.com reports.
Featherston cleared waivers and was outrighted to Triple-A Durham, Marc Topkin of the Tampa Bay Times reports.
Featherston was designated for assignment Monday, Marc Topkin of the Tampa Bay Times reports.
Featherston was optioned to Triple-A Durham on Friday.
Featherston was recalled from Triple-A Durham on Monday, Marc Topkin of the Tampa Bay Times reports.
Featherston was optioned to Triple-A Durham on Saturday, Marc Topkin of the Tampa Bay Times reports.
Featherston was placed into the lineup Thursday due to Tim Beckham's apparent injury, Roger Mooney of the Tampa Bay Times reports.
Featherston went 1-for-3 with two RBI from a run-scoring single and a sacrifice fly in Sunday's 8-5 loss to the Orioles.