He landed a contract with Showtime and his stock began to rise, but it quickly fell after an upset loss to Fres Oquendo, who stopped Etienne in the eight round of their fight in March 2001.
Known as "Fast Fres" and "The Big O", Oquendo won his first 22 professional bouts, including impressive victories over Duncan Dokiwari, Bert Cooper, Clifford Etienne, David Izon, and Obed Sullivan.
Seldon launched a second comeback in 2007, now into his 40's, and knocked out a series of journeymen before being knocked out himself by ranked contenders Kevin Johnson and Fres Oquendo.