[2] Jack Dempsey and Luis Ángel Firpo agreed to jointly manage Cestac.

[3] On 27 July 1945 he fought John Thomas at Madison Square Gardens, losing on the split decision after ten rounds.

In March 1951 he came to Toledo, Ohio to fight Archie Moore, who was forty pounds lighter.

In June 1951, Moore came to Buenos Aires for a return match, again defeating Cestac, who retired in the tenth round.

[6] Cestac fought twice more, being defeated by Arturo Godoy in August 1951 and by Cesar Brion in November 1951.