Washington Nationals vs Arizona Diamondbacks Prediction and FREE PICK 4/16/21 MLB SPORTS PICKS #mlb #mlbpicks #mlbpredictions #freepicks #nationals #diamondbacks We rank the top handicappers and make it EASY for you to follow their plays. Website: https://kingpin.pro iOS APP ➡️ https://apps.apple.com/app/apple-store/id1390339038?pt=119107053&ct=youtube&mt=8 Android APP ➡️ https://play.google.com/store/apps/details?id=com.kingpin&hl=en_IN&gl=US