Atlanta acquired Short from the Red Sox on Thursday in exchange for cash considerations.
Short was designated for assignment by the Red Sox on Wednesday.
The Red Sox acquired Short from the Mets on Wednesday in exchange for cash consideration, Will Sammon of The Athletic reports.
Short was designated for assignment by the Mets on Friday.
Short went 0-for-3 with one run and one walk in the 9-1 win over the Pirates on Wednesday.
Short will begin the season on the Mets' 26-man roster, Anthony DiComo of MLB.com reports.
The Mets Abbey Mastracco of the New York Daily News Short off waivers from the Tigers on Monday.
Short (forearm) will bat ninth and play shortstop Saturday against the White Sox.
Short went 2-for-3 with a double and three RBI in Wednesday's win over the Pirates. He also stole a base.
Short is starting at second base and batting ninth in Sunday's game against the Mariners.