Steven Wright to undergo season-ending knee surgery

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Red Sox starter Steven Wright will undergo a season-ending surgery on his left knee, Alex Speier of the Boston Globe reports. The surgery is a cartilage restoration procedure. We learned yesterday that it was a consideration for Wright and he decided it was worth ending his season on Thursday.

Wright’s knee has been bothering him since spring training. The injury explains his 8.25 ERA and 13/5 K/BB ratio in 24 innings through his first five starts.

The Red Sox are perilously thin on starting pitching depth. Kyle Kendrick will take Wright’s spot in the rotation starting tonight against the Orioles in the series finale.