The Yankees optioned right-handed reliever Jake Bird to Triple-A Scranton/Wilkes-Barre on Tuesday, just five days after acquiring him from the Rockies ahead of the Trade Deadline.

Bird has allowed seven runs (six earned) in his first two innings with New York, spanning three appearances. He served up a grand slam to the Marlins’ Kyle Stowers in his Yankees debut on Friday as part of a stunning 13-12 loss .

On Monday, Bird took the loss against the Rangers after giving up a three-run, walk-off homer to Josh Jung. It was New York’s fourth straight defeat .

Bird’s struggles with the Yankees are a microcosm of how their bullpen has struggled for an extended period. That group has recorded a 6.75 ERA this month and a 6.13 ERA since the beginning of July, which is the second-worst mar

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