Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani.Van Pelt addresses Ja'Lynn Polk's lack of production in rookie yearPatriots' offensive coordinator Alex Van Pelt says he is 'not down on' Ja'Lynn Polk despite his disappointing rookie season. <p><em><a href="https://www.nbcsportsboston.com/nfl/new-england-patriots/patriots-videos/van-pelt-addresses-jalynn-polks-lack-of-production-in-rookie-year/676549/?partner=yahoo&cid=yahoo">Van Pelt addresses Ja'Lynn Polk's lack of production in rookie year</a> originally appeared on <a href="https://www.nbcsportsboston.com?cid=yahoo">NBC Sports Boston</a></em>