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"&lt;p&gt;&lt;/p&gt;&lt;p&gt;Cleveland Indians designated hitter Travis Hafner had surgery on his injured right knee Thursday and will miss four to six weeks, reports\u00A0&lt;em&gt;ESPN&lt;/em&gt;'s Buster Olney in a tweet.&lt;/p&gt;&lt;p&gt;[tweet https://twitter.com/Buster_ESPN/status/208212112848330754]&lt;/p&gt;&lt;p&gt;Hafner went on the 15-day disabled list on Wednesday with inflammation in the knee.\u00A0He's hitting a career-worst .242 in 39 games.&lt;/p&gt;&lt;p&gt;The 34-year-old Hafner is in the last season of a six-year, $66-million deal. The Indians have seven players on the disabled list.\nLeft-handed reliever Scott Barnes was recalled from Triple-A Columbus to take Hafner's roster spot.&lt;/p&gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/si-wire/2012/05/31/cleveland-indians-travis-hafner-out>