"The players are our No. 1 commodity, and we want to do everything we can to keep them healthy," Porter said. "As long as whatever rules we're going to put in place are going to be put in place obviously to protect the players, I am all for any ruling that's going to protect the player."
Luhnow said player safety should come first, as well.
"Any time we're watching out for the safety of the players, that's in the best interest of the game," he said. "Nobody wants to see the catcher get hurt. And so I think those efforts are to be applauded."
Brian McTaggart is a reporter for MLB.com and writes an MLBlog, Tag's Lines. Follow @brianmctaggart on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.