5 things to watch as Mets and Nationals play four-game series in Washington, D.C.The return of Jeff McNeil and David Peterson's start will be among the things to watch6/18/2021, 1:00 PMDanny AbrianoManager of Editorial ProductionApr 27, 2021; New York City, New York, USA; New York Mets second baseman Jeff McNeil (6) rounds the bases after hitting a solo home run during the second inning against the Boston Red Sox at Citi Field. / Wendell Cruz-USA TODAY Sports