May 5, 2011, 5:17 PM EST
Lyon has been diagnosed with a partially torn rotator cuff and biceps tendinitis, according to Brian McTaggart of MLB.com.
No surgery has been scheduled for now, but Lyon is bound for the disabled list and won’t be pitching again any time soon.
Mark Melancon is expected to get first crack at the closer gig and Wilton Lopez will be another option for ninth-inning duties if he proves healthy after returning from the disabled list earlier this week.
- Robinson Cano agrees to $240 million deal with Mariners (260)
- Yankees agree to seven-year, $153M contract with free agent outfielder Jacoby Ellsbury (160)
- Report: Mariners willing to offer Robinson Cano a 10-year, $240 million deal (143)
- Report: Yankees have agreed to a three-year deal with Carlos Beltran (125)
- Brett Gardner is drawing “significant” trade interest (111)