One thing became clear: Managers won't be relying on -- or perhaps even allowing -- pitchers to challenge calls. I liked it last year in spring training, and I think the players really liked it for the most part. Milwaukee Brewers manager Pat Murphy: "I don't know enough about it, like I want to know. Rankings, contract projections »Shelton: "My early thought -- I don't know if I should say this -- I don't think the pitchers should ever challenge. I think pitchers think everything is a strike.