Once again, could this be the year for Desmond Jennings?

For most players, excellent springs are nice to have. But they aren’t essential. You get a few at-bats. You field a few fly balls. You work on your timing. You fine-tune your conditioning. But for most, it really doesn’t matter if you hit .210 or .340. It’s practice, for goodness sakes. It’s a dress rehearsal. For Desmond Jennings of the Tampa Bay Rays, however, spring is essential. Jennings, the left-fielder for the Rays, has always been a bundle of potential…