Porter and Corporan kept arguing in the dugout before Jose Altuve stepped in and created some space between the two.
"What happens between me and my players during the game will always stay between me and my players," Porter said when asked about the incident.
An inning later, Porter and Corporan were spotted sitting together and talking in the dugout, with Porter putting his right arm around the catcher.
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.