Pirates placed LHP Wandy Rodriguez on the 15-day disabled list with right knee inflammation.
Wandy Rodriguez surrendered four earned runs over four innings Saturday in a no-decision against the Brewers.
Pirates manager Clint Hurdle admitted Tuesday that the club is keeping an eye on Wandy Rodriguez's velocity.
Wandy Rodriguez gave up six runs in five innings Monday versus the Reds.
Wandy Rodriguez got the loss in Wednesday's start against the Cubs, allowing four runs in five innings.
Wandy Rodriguez surrendered three earned runs in six innings Thursday in a loss to the Cubs.
Wandy Rodriguez allowed three runs in 4 2/3 innings and homered Tuesday in a win over the Blue Jays.
Wandy Rodriguez allowed one run over four innings of work against the Red Sox on Wednesday.
Wandy Rodriguez (elbow) pitched a couple of scoreless innings, striking out two, versus the Twins on Friday.
Wandy Rodriguez yielded an unearned run in his inning of work Saturday as the Pirates and Rays played to a 2-2 tie in 10 innings.
Wandy Rodriguez (elbow) threw a session of live batting practice on Thursday in Pirates camp.
Wandy Rodriguez (elbow) will throw once every three days early on in camp before being re-evaluated.
Wandy Rodriguez (elbow) said during the team's recent mini-camp that he would be ready for the first day of spring training.
Wandy Rodriguez (elbow) has resumed throwing and says that his arm "feels good."