MLB on X: Rocking the mustache for Keith Hernandez's jersey retirement, Pete Alonso goes DEEP. / X

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Anthony DiComo on X: 🎥 Here's Pete Alonso on his mustache-and-stirrups Keith Hernandez tribute: / X

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Mets beat Marlins 5-4 (F/10)

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Pete Alonso Homers on Keith Hernandez Jersey Retirement Day

Clem on X: Pete Alonso rocking a mustache on Keith Hernandez Day is true Face of the Franchise stuff. #LGM / X

Pete Alonso rocking a mustache in honor of Keith Hernandez today!, By 90 Percent Mets