Baseball is back! ...But the mood was dampened a bit because left-handed reliever Andrew Saalfrank recently underwent season-ending shoulder surgery. Who will replace Saalfrank on the roster? And how will the D-backs approach the closer role?

Meanwhile, we get injury updates on a range of other players, including Corbin Burnes, Justin Martinez, AJ Puk and Tyler Locklear. Could Puk be back before the All-Star break?

Finally, the D-backs made the Carlos Santana signing official. General manager Mike Hazen spoke with the media about what he liked about Santana, how much Santana will play and more. Join Jesse Friedman and Jack Sommers on a spring training edition of Snakes Territory!

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