CHARLOTTE, N.C. -- NFL free agency begins Wednesday but on Tuesday, NBC Charlotte is finding out about a possible addition to the Carolina Panthers off the field.

Panthers quarterback Cam Newton's girlfriend Kia Proctor took to social media to announce she is expecting. Her Instagram post had a caption that read, "Big mama 😊."

Big mama 😊

A post shared by Ms. Kia (@_k1a_) on

Newton has not announced anything on his public social media pages as of Tuesday night. Of course, Panthers fans know about Newton and Proctor's son Chosen, who turned two in December 2017, and Sovereign-Dior, who was born February 2017.