"The Blue Jays added four top prospects to their 40-man roster Friday, but lost catcher Brian Jerolman on a waiver claim by the Pittsburgh Pirates.

The four prospects — catcher Travis d'Arnaud, pitcher Nestor Molina, first baseman Mike McDade and reliever Evan Crawford — all would have been vulnerable to the Rule 5 draft held in early December had the Jays not added them to the roster."