By Avi Creditor Portland has featured heavily in the NWSL’s dark past, but its players have persevered, and the club is now the most decorated in league history. The Portland Thorns feature prominently in the story line that has continued to overshadow NWSL’s on-field product. But lest anyone forget that the Thorns players are second to none when it comes to NWSL royalty. Portland became the league’s first three-time champion Saturday night, beating the Kansas City Current 2-0 in the league’s title match in front of over 17,000 fans at Audi Field in Washington, D.C. League MVP Sophia Smith too…