Alex Rodriguez Accused of Sexting British Model Before Jennifer Lopez Proposal

The former baseball player allegedly sent her a d--k pic behind J.Lo's back!

Yikes! Alex Rodriguez may have proposed to Jennifer Lopez in early March, but so it turns out, the former pro baller was allegedly snooping for a threesome with a British model just weeks before!

Zoe Gregory claims to The Sun that A-Rod sent her a slew of sleazy texts — and even shared a d—k pic with her! “He was being like a dirty dog. He seemed like a needy, horny bloke,” she claimed.

Click through the gallery above for the shocking details!