The Royals signed Lamet to a minor-league contract Friday.
Lamet elected free agency Tuesday.
The Dodgers outrighted Lamet to Triple-A Oklahoma City on Monday after he cleared waivers.
The Dodgers designated Lamet for assignment Saturday, Fabian Ardaya of The Athletic reports.
Lamet picked up a save against San Francisco on Wednesday, striking out two batters in a perfect inning of work.
The Dodgers selected Lamet's contract from Triple-A Oklahoma City on Monday, Juan Toribio of MLB.com reports.
The Dodgers are expected to call up Lamet from Triple-A Oklahoma City prior to Monday's game against the Giant, Robert Murray of FanSided.com reports.
Lamet (visa issues) is scheduled to pitch in Sunday's Cactus League game against the Rockies, Eric Stephen of SBNation.com reports.
Lamet has yet to report to Dodgers camp because of a visa issue, Fabian Ardaya of The Athletic reports.
Lamet signed a minor-league contract with the Dodgers on Saturday and received an invitation to major-league spring training, Jon Heyman of the New York Post reports.