Peguero was sent to the Tohoku Rakuten Golden Eagles on Friday for cash considerations.
Peguero was reassigned to minor league camp Thursday.
Peguero signed a minor league contract with the Cardinals on Friday that included an invitation to spring training, Jennifer Langosch of MLB.com reports.
He's the big loser from the deal that brought Alejandro De Aza to Boston. Peguero had just been picked up from Texas, but with a career .194 batting average he may have trouble finding big league work.
Royals sent OF Carlos Peguero outright to Triple-A Omaha.
Peguero had been designated for assignment, but he's cleared waivers and will remain in the organization. The Royals picked him up from the Mariners in January in exchange for cash.
Royals designated OF Carlos Peguero for assignment.
The move clears a spot for the newly-claimed Patrick Schuster on the 40-man roster. Peguero was acquired from the Mariners in late January, but he could now be on the move once again.
Carlos Peguero blasted a solo home run on Sunday, helping to lead the Royals to a 9-6 victory over the Padres in Cactus League play.
The 27-year-old outfielder finished the day 2-for-3. He's had a very nice spring, slashing .348/.483/.522 through 29 plate appearances, but is still a longshot to crack the Royals Opening Day roster.
Royals acquired OF Carlos Peguero from the Mariners for a player to be named later or cash considerations.
Peguero was designated for assignment by the Mariners earlier this month. The 26-year-old outfielder has shown some power potential in the minors, but he owns a .195/.242/.380 batting line over 219 plate appearances in the majors. He'll serve as outfield depth for Kansas City.
Mariners designated OF Carlos Peguero for assignment.
The move clears room for the newly-signed John Buck on the 40-man roster. Peguero, who turns 27 next month, owns a .195/.242/.380 batting line over 219 plate appearances in the majors and regressed in Triple-A last year.
Mariners optioned OF Carlos Peguero to Triple-A Tacoma.
He was sent down to make room for Michael Saunders' return from the disabled list. Peguero went 2-for-6 with a homer and a stolen base in his brief stint with the big club.