BRADENTON, Fla. - When Gregory Polanco was coming up through the Pirates' minor league system, he had the look of a future impact player. To say he had the look of a five tool player was putting it mildly. He had a huge frame with the chance to eventually hit for impact power, along with a high average, speed, a lot of range in the outfield on defense, and one of the strongest arms in the system.

But that hasn't been the way things have played out for Polanco. He has shown some encouraging signs in his three and a half years in the majors. He's shown some of that power that he was expected to have, along with the speed, the arm, and some of the defense. But there has been one thing that has held him back: the injury bug.

Polanco was hit hard with injuries during the 2017 season. He w...

To celebrate the upcoming MLB draft, we’re offering a big subscription discount of 18% off from now through the draft , so that you can follow all of our updates and coverage.To get the discount, use the code MLBDRAFT for an Annual subscription, or MLBDRAFT3 for a Top Prospect Plan.

To continue reading the rest of this article, subscribe to Pirates Prospects. Subscribers get access to every article on the site, along with all of our exclusive live coverage of the Pirates' minor league system, all for a very low monthly or yearly rate.

If you're already a member, you can log in below. If you think you're receiving this message in error, please e-mail help@piratesprospects.com.