The UFC Fight Night Buenos Aires weigh-ins are in the books and with the exception of one fighter, everybody made weight for the event. The loss miss for the card came from Cynthia Calvillo, who came in 2 pounds over for a strawweight division bout against Poliana Botelho.
Here are the full UFC Fight Night Buenos Aires weigh-in results:
Main Card (10pm EST., Fox Sports 1)
Neil Magny (171) vs. Santiago Ponzinibbio (171)
Darren Elkins (145) vs. Ricardo Lamas (145.5)
Khalil Rountree (204.5) vs. Johnny Walker (205.5)
Cezar Ferreira (185.5) vs. Ian Heinisch (185)
Guido Cannetti (135.5) vs. Marlon Vera (135.5)
Poliana Botelho (115.5) vs. Cynthia Calvillo (118) *1
Preliminary Card (8pm EST., Fox Sports 1)
Bartosz Fabinski (170) vs. Michel Prazeres (170.5)
Alexandre Pantoja (125.5) vs. Ulka Sasaki (125.5)
Austin Arnett (145.5) vs. Humberto Bandenay (145.5)
Hector Aldana (169.5) vs. Laureano Staropoli (169)
Preliminary Card (7pm EST., UFC Fight Pass)
Jesus Pinedo (156) vs. Devin Powell (155)
Anderson dos Santos (144.5) vs. Nad Narimani (145.5)
Notes
*1: Missed weight by 2 pounds
