Walker gets 1st win for Mets, who take 2 of 3 from Nationals

New York Mets' Pete Alonso, right, hugs relief pitcher Edwin Diaz after a baseball game against the Washington Nationals at Citi Field, Sunday, April 25, 2021, in New York. (AP Photo/Seth Wenig)

New York Mets starting pitcher Taijuan Walker throws during the fifth inning of a baseball game against the Washington Nationals at Citi Field, Sunday, April 25, 2021, in New York. (AP Photo/Seth Wenig)

New York Mets third baseman J.D. Davis, left, tags out Washington Nationals' Victor Robles at third base during the third inning of a baseball game at Citi Field, Sunday, April 25, 2021, in New York. (AP Photo/Seth Wenig)

Washington Nationals' Ryan Zimmerman reacts after being struck out during the eighth inning of a baseball game against the New York Mets at Citi Field, Sunday, April 25, 2021, in New York. (AP Photo/Seth Wenig)

Washington Nationals left fielder Kyle Schwarber makes a sliding catch during the fourth inning of a baseball game against the New York Mets at Citi Field, Sunday, April 25, 2021, in New York. (AP Photo/Seth Wenig)

New York Mets starting pitcher Taijuan Walker throws during the first inning of a baseball game against the Washington Nationals at Citi Field, Sunday, April 25, 2021, in New York. (AP Photo/Seth Wenig)

New York Mets relief pitcher Edwin Diaz, right, celebrates with Luis Guillorme after a baseball game against the Washington Nationals at Citi Field, Sunday, April 25, 2021, in New York. The Mets defeated the Nationals 4-0. (AP Photo/Seth Wenig)

New York Mets' Pete Alonso, left, celebrates his home run with J.D. Davis during the fifth inning of a baseball game against the Washington Nationals at Citi Field, Sunday, April 25, 2021, in New York. (AP Photo/Seth Wenig)