Boxers that has the most maintained poker face.

[Thraxox]

Lamont Peterson for me. I haven't seen that guy smile, make a face indicating he is hurt frustrated or angry. And also when he showboat against García he still maintained that straight face.

[El Gitano]

Marco Antonio Barrera, Mayorga, Maidana.

[PsychoPat]

Vitali klitschko.
Golovkin,
Josh taylor.
Prime mike Tyson.
Kostya zu

[asgarth]

larry holmes, salido.

On the other spectrum is david price lol. you can always read whenever he is uncomfortable.

[HanzGruber]

floyd.....

[StefanTosic]

Julio Cesar Chavez, Duran, Toney

[Vadrigar.]

James Toney. Calmest fighter ever in the ring.

[Larry the boss]

Mayweather is the master at this

[mjh1969]

I would say Holyfield and Lewis have good poker faces.

[jri9d0]

Tommy Hearns especially went it came to staredowns.