The injury bug is biting the Yankees.

Yankees starter Michael Pineda was expected to miss only one start after getting suspended for 10 games last Wednesday for using pine tar against the Red Sox at Fenway Park. But it appears Pineda will miss a lot more time.

Pineda has a Grade 1 strain of the teres major muscle, which is located in the shoulder joint. An MRI in Tampa revealed the strain after Pineda removed himself from a simulated game Tuesday at the Yankees minor league complex. He was scheduled to pitch May 5 in Anaheim before the injury setback.

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The 25-year-old Pineda flew from Tampa to New York Tuesday night and Yankees team doctor Christopher Ahmad advised him to shut it down for the next 10 days according to a report in The Star Ledger. Pineda is expected to be out for the next 3-4 weeks. Pineda is coming off surgery to repair a torn labrum in his right shoulder that had him in rehab for the past two years.

In his four starts before the suspension, Pineda was 2-2 with a 1.83 ERA before getting bounced at Fenway. David Phelps is expected to remain as Pineda’s replacement in the rotation until Pineda returns.

Old friend Jacoby Ellsbury is also on the shelf for the Yankees, but his injury does not appear to be as serious.

Ellsbury was out of the Yankees lineup Tuesday night when the Mariners beat the Bronx Bombers 6-3 at the Stadium. Yankees manager Joe Girardi said Ellsbury was suffering from a sore left hand and may miss two games. X-rays came back negative. No explanation was offered as to how Ellsbury injured the hand. Ellsbury is batting .312 for New York.