A year after Mike Vrabel and Dianna Russini were spotted kissing in an NYC bar , the pair reportedly rented a private boat together — just months before she gave birth to her first child. In June 2021, the NFL coach and former ESPN reporter rented a boat for two to three hours in Putnam County, Tennessee, a source with direct knowledge told TMZ . Documents obtained by the outlet show Vrabel and Russini — who were allegedly the only people on the boat — both signed a waiver before boarding the vessel. The outlet reported that the duo was “cautious about photos being taken” with Russini refusing to take photos with staff, and Vrabel only allowing one photo to be taken — with a request not to post it publicly. Reps for Vrabel and Russini did not immediately return Page Six’s requests for comment Wednesday. According to TMZ, Mike Vrabel rented a boat with Dianna Russini in 2021. He’s seen above taking a snapshot with boat rental company staff.…