Who Gregory Polanco compares to

The longer Gregory Polanco stays in Triple-A and continues to light up minor league pitching, the more intriguing the young Pittsburgh outfield prospect becomes. Today, ESPN Insider Jim Bowden listed the 22-year-old right fielder as the No. 1 prospect promotion to get excited about in the weeks and months ahead.

So what kind of player can we expect Polanco to be once he finally does arrive in Pittsburgh?