Mets beat Nats 5-1 in Showalter debut behind fill-in Megill


              New York Mets' Pete Alonso, center, spits blood after being hit by a pitch from Washington Nationals starting pitcher Mason Thompson during the ninth inning of an opening day baseball game at Nationals Park, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
            
              New York Mets manager Buck Showalter, left, shakes hands with starting pitcher Tylor Megill after an opening day baseball game against the Washington Nationals at Nationals Park, Thursday, April 7, 2022, in Washington. The Mets won 5-1. (AP Photo/Alex Brandon)
            
              Members of the Washington Nationals wave as they stands on the first base line during pregame festivities in an opening day baseball game against the New York Mets at Nationals Park, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
            
              New York Mets first baseman Pete Alonso, front, and Washington Nationals' Alcides Escobar look on after Alonso tried to tag out Escobar at first base on a pickoff attempt from catcher James McCann, not visible, during the third inning of an opening day baseball game at Nationals Park, Thursday, April 7, 2022, in Washington. Escobar was called out, but the call was reverted to safe after an umpires review. (AP Photo/Alex Brandon)
            
              A pitch by Washington Nationals starting pitcher Patrick Corbin, not visible, hits New York Mets' James McCann (33) on the foot as the Mets score a run as the play happened with the bases loaded during the fifth inning of an opening day baseball game at Nationals Park, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
            
              Grounds crew members use sqeeges to push water off a tarp over the infield at Nationals Park prior to an opening day baseball game between the Washington Nationals and the New York Mets, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
            
              Rain falls on spectators during a rain delay in an opening day baseball game between the Washington Nationals and the New York Mets at Nationals Park, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
            
              Washington Nationals' Juan Soto (22) gestures after hitting a solo home run off New York Mets relief pitcher Trevor May during the sixth inning of an opening day baseball game at Nationals Park, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
            
              New York Mets' Mark Canha is greeted in the dugout after scoring on a force out ground ball by Starling Marte during the fifth inning of an opening day baseball game against the Washington Nationals at Nationals Park, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
            
              New York Mets starting pitcher Tylor Megill throws a pitch to the Washington Nationals during the first inning of an opening day baseball game at Nationals Park, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
            
              New York Mets' Pete Alonso gestures toward his dugout for a challenge after he was tagged out at home plate by Washington Nationals catcher Keibert Ruiz while trying to score on a double by Eduardo Escobar during the fourth inning of an opening day baseball game at Nationals Park, Thursday, April 7, 2022, in Washington. (AP Photo/Alex Brandon)
Mets beat Nats 5-1 in Showalter debut behind fill-in Megill