The Ultimate Fighter season 23 will play host to a variety of fighters in several weight classes according to UFC.com.
The information states:
THE ULTIMATE FIGHTER® 23 TRYOUTS
Tryouts for The Ultimate Fighter season 23 are currently open to FEMALES in the Strawweight (115lbs) and Bantamweight (135lbs) and MEN in the Light Heavyweight (205lbs) divisions.
1. All applicants must between 21 and 34 years of age.
2. All applicants MUST have a winning record with a minimum of 3 Professional MMA fights. All records will be verified on sherdog.com and mixedmartialarts.com. If we cannot verify your record on either of these sites you will NOT be considered.
3. All applicants must have the legal ability to live and work in the United States
4. All applicants must complete and sign the application and bring the completed and signed forms to the tryouts. All applicants must attend the tryouts on Monday, December 14th 2015 in Las Vegas, NV.
You can access the application at www.UFC.com/TUF23