<p>Carson Kelly’s T-shirt was a gift from Cubs broadcaster Boog Sciambi, who went to his pals at Obvious Shirts with a request for a custom design.</p><p>Kelly chose the message: Everything Hurts.</p><p>When you’re a big-league catcher, that comes with the territory.</p><p>‘‘There’s never a time I feel like, ‘Oh, everything is great,’ ’’ Kelly said Sunday. ‘‘There’s a reason why I wear a shirt that says Everything Hurts. Usually, as a catcher, there’s always something going on.’’</p><p>How soon after reporting to spring training does he start to hurt?</p><p>‘‘I think you come to camp hurt,’’ he said.