Mets’ Jeff McNeil could start rehab assignment within daysMcNeil has been out due to a hamstring injury6/8/2021, 6:08 PMAndy MartinoMLB InsiderApr 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