Ex-NY Giants quarterback Joe Pisarcik -- who became CEO of the NFL Alumni Association -- is being sued for allegedly sexually harassing 3 female employees ... TMZ Sports has learned.
Pisarcik played 8 years in the NFL before going corporate. He's most well-known for his fumble during the "Miracle at the Meadowlands" game back in 1978.
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But now, 3 women who worked under Pisarcik at the NFLAA say he constantly subjected them to intense sexual harassment including butt smacks, lewd comments and unwanted advances.