New York Mets T.J. Rivera, Mr. Met, and Members of the 7 Line Army Team Up For The Manequin Challenge Written By: NYSD Staff Published: Nov 18, 2016 Updated: Nov 18, 2016 | Share | Facebook 𝕏 | Twitter | Reddit Today at Citi Field, Mets second baseman T.J. Rivera, Mr. Mets and many members of the 7 Line Army teamed up to do the Mannequin Challenge, believed to be the first of its kind for any MLB Team. | Share | Facebook 𝕏 | Twitter | Reddit About the Author NYSD Staff