The reason for that was procedural.
Once a player is optioned to the Minor Leagues, 10 days must pass before a return to the Major League roster.
Any reliever the Red Sox would have considered bringing to New York on Saturday had all been optioned within the last 10 days.
"Well, the only thing we could have done is bring a non-roster guy, but then we'd have to create a spot on the 40-man [roster], and I don't know that there's a situation that would allow us to shift a guy to the 60-day DL," said Red Sox manager John Farrell. "We're just in that first 10 days of the season where it adds another restriction to contend with."
Kelly was slowed in Spring Training by a right biceps injury, which is why he spent the first four games of the season on the disabled list.
Ian Browne is a reporter for MLB.com. Read his blog, Brownie Points, and follow him on Twitter @IanMBrowne. This story was not subject to the approval of Major League Baseball or its clubs.