Layne agreed to a minor-league contract with St. Louis on Friday, Rob Rains of Stlsportspage.com reports.
Layne signed a minor-league contract with the Red Sox on Saturday, Brian MacPherson of the Providence Journal reports.
Layne signed a minor-league deal with the Dodgers on Sunday.
The Yankees released Layne on Wednesday, Conor Foley of The Scranton Times-Tribune reports.
Layne was outrighted to Triple-A Scranton/Wilkes-Barre on Tuesday.
Layne was designated for assignment by the Yankees following Saturday's game.
Layne has a 3.86 ERA, two strikeouts, and a hold through four appearances so far this season.
Layne agreed to a one-year deal with the Yankees on Friday, avoiding arbitration.
Layne faced just one batter Thursday -- notching a strike out -- and got the win over the Rays.
Layne signed a major league deal with the Yankees on Tuesday, the Boston Globe reports.