Ex-Invicta champ Michelle Waterson signs with UFC

The UFC strawweight division just got a little deeper. "The Karate Hottie," Michelle Waterson, has inked a deal to join her fellow Invicta FC veterans inside the Octagon, MMAFighting.com's Ariel Helwani reported Monday on UFC Tonight.

Waterson, the 29-year-old former Invicta FC atomweight champion, is expected to make her 115-pound and promotional debut sometime in the summer against an as-of-yet undecided opponent.

A charismatic fighter who was expected to be the face of the Invicta FC brand following the UFC's mass signing of the 115-pound division and filming of The Ultimate Fighter 20 in 2014, Waterson (12-4) remained under contract with Invicta FC following her Dec. 2014 loss to Herica…