Mets players let booing fans 'know how it feels' with thumbs down celebration; team says it's 'unacceptable'
Washington_Nationals
Why Mets Players Are Giving the Thumbs Down to Their Fans
Mets beat Nationals 9-4
Boo who? Báez says Mets flashing thumbs down on fickle fans
Javy Baez said thumbs-down celebration was message to booing Mets fans
Marcus_Stroman
Mets fans booed Javy Baez in first AB since 'thumbs down' comments
Javier Baez among New York Mets to jab at booing fans with thumbs down celebration
Mets beat Nationals 9-4