Official fighter weigh-ins for "Strikeforce: Diaz vs. Daley" take place Friday.
The festivities take place at Valley View Casino Center in San Diego, which also hosts Saturday's Showtime-televised event and championship doubeleheader.
The weigh-ins begin at 7 p.m. ET (4 p.m. PT local time) and are open to public.
"Strikeforce: Diaz vs. Daley" is the organization's first major event since Strikeforce was purchased by its biggest competitor, the UFC. The show features welterweight champ Nick Diaz vs. Paul Daley, as well as lightweight champ Gilbert Melendez vs. Tatsuya Kawajiri.