Anderson (elbow) has allowed four earned runs on seven hits -- including two home runs -- and a walk while recording five strikeouts over the 3.2 innings covering his last three rehab appearances for Triple-A Durham.

The right-hander allowed at least one earned run in four straight turns from Aug. 17-25 before producing an encouraging scoreless frame against Charlotte on Saturday in his most recent outing. The team's official site reports that manager Kevin Cash was informed Anderson's fastball clocked in at up to 94 mph during the appearance, an encouraging sign that his recovering elbow is strengthening. The 31-year-old remains without a firm return timetable, but it appears likely Anderson will need at least a couple more minor-league outings for both confidence and arm-strengthening purposes.

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