|Cause of Death||Shot in the head by Leo Pirelli|
|Title||Full Patch (former)|
|Portrayed by||Chuck Zito|
- "And what happens with our deal? We get you back at the head of the table and we get a piece of your end."
- ―Frankie Diamonds to Clay Morrow
Frankie Diamonds was a former member of the Nomad charter who was transferred to SAMCRO. He was an Italian-American from New York City.
He gets patched into SAMCRO from the Nomads and is part of the crew who attacked Unser. (Sovereign)
In Authority Vested it is shown that Frankie along with his fellow Nomads are seen getting rid of Clays safe, heavily implying they are behind the home-invasions.
He hires two black men to try and kill Jax and to get the heat off him. They get a call from Nero Padilla that he needs Jax to come down. When Jax and Chibs go to the brothel, Frankie is holding Nero hostage. Nero gives Frankie $130,000 and a "couple of good watches", and then Frankie made Chibs drive the get away car Frankie got from Nero then when he was done he hit Chibs in the back head with his gun and gets in a car and leaves.
Now knowing the full truth of Frankie's involvement with the home invasions as well as the attempt on Jax's life, SAMCRO takes a vote at "church". The decision is unanimous to both strip Frankie of his patch as well as introduce him to "Mr. Mayhem" (murder him). When the rest of the Club leaves the table, Jax confides in Bobby alone that Frankie cannot be killed right away. Lt. Roosevelt has informed Jax that there is an informant at the table, and he will only reveal who that is once Jax delivers Frankie to him so that he can exact revenge for his role in the murder of Roosevelt's wife (who was murdered during a home invasion on her house). (Authority Vested)
SAMCRO finally tracks down Frankie Diamonds in Tahoe, where he is being sheltered by the Italians. Upon being told that SAMCRO is enroute by an Italian enforcer, Frankie shoots and kills the Italian just as the Club arrives. Regardless of Jax telling everyone not to kill him, Frankie is gunned down by Leo Pirelli who walks in and sees his associate dead.
- Clay mentioned that Frankie once worked as muscle for the Gambino Crime Family and has ties to other mob families.
- Rita Roosevelt - Shot in the stomach. ("Orca Shrugged")
- Petey - Shot in the chest and head. ("Andare Pescare")
|Season 5 appearances|
|"Sovereign"||"Authority Vested"||"Laying Pipe"||"Stolen Huffy"||"Orca Shrugged"|
|"Small World"||"Toad's Wild Ride"||"Ablation"||"Andare Pescare"||"Crucifixed"|
|"To Thine Own Self"||"Darthy"||"J'ai Obtenu Cette"|