Welterweight contender hopefuls Tyron Woodley and Tarec Saffiedine each weighed in at 170.2 for their main event matchup, which will headline the event at the Nashville Municipal Auditorium.
Woodley will be looking to improve to a perfect 8-0 while Saffiedine hopes to notch his fourth straight win.
Also on the card is surging light-heavyweight Ovince St. Preux, who was discovered during Strikeforce's last visit to Tennessee last April. Once 3-4, St. Preux has captured six straight wins. His fight win Abongo Humphrey will serve as the co-main event, and it will be St. Preux's third fight in less than two months.
St. Preux checked in at 204.8 while Humphrey was 205.4.
Unbeaten heavyweight Daniel Cormier registered 249 pounds for his matchup with Devin Cole (239.2)
Among the fighters on the untelevised undercard is former UFC middleweight John Salter (185.6), who will be making his Strikeforce debut against 2-0 Casey Huffman (186), a fighter making his first start in a major promotion.
Strikeforce Challengers 13 Weigh-In Results
Tyron Woodley (170.2) vs. Tarec Saffiedine (170.2)
Ovince St. Preux (204.8) vs. Abongo Humphrey (205.4)
Daniel Cormier (249) vs. Devin Cole (239.2)
Julia Budd (144.2) vs. Amanda Nunes (143.2)
Rhadi Ferguson (205) vs. John Richard (206)