 Complete the following phrase:  He continued to play the next two years as the third-string catcher before serving as Dave Duncans backup in 1971. Tenace entered the 1972 season backing up Duncan, but was given a chance to show his abilities by being made the teams regular catcher in the post-season. Tenace took full advantage of this opportunity, excelling in the 1972 playoffs and World Series. In the 