Great defensive trainers.

[VG_Addict]

Who are/were some of the best trainers who focus on defense?

[aldo5408]

Roger mayweather
cuban that trained cotto

[gmc_rfc_06]

I like Pedro Diaz.

There aren't too many currently though, the better defensive fighters tend to pick that up from sparring and learning from others pro's.

[NChristo]

George Benton has to be up there
Luis Sarria (Jose Napoles, Luis Rodriguez, Ali, Jose Legra)