Adding a bit more power in 2016 might help him produce more consistently .
Polanco was then a huge part of the Pirates ' 17 - 9 July and 19 - 8 August .
Adding a bit more power in 2016 might help Polanco produce more consistently .
Polanco was then a huge part of the Pirates ' 17 - 9 July and 19 - 8 August .