Milone won't make his scheduled start Saturday against the Pirates due to a knee issue, Anthony DiComo of MLB.com reports.

While the Mets were already looking at alternate options for Saturday's start, this is the first mention of any sort of injury. It's unclear when the knee issue cropped up, or how long it will keep him sidelined, but more should be known once further information is released by the team. With Steven Matz (elbow) and Seth Lugo (elbow) returning from the DL in the near future, Milone likely won't return to rotation once he's healthy. Look for either Josh Smoker or Rafael Montero to take the ball for Saturday's contest in Pittsburgh.