Dominguez along with then teammate Gene Makowsky made a cameo appearance in the Corner Gas episode "Reader Pride".
Dominguez spent time on the Denver Broncos practice squad and played in 12 games with 3 receptions for 27 yards, his first catch came against the Seattle Seahawks on October 14, 2001.
After being released Dominguez was signed by the Roughriders in 2003 and quickly used his size to his advantage and became a fan favourite by gaining over 1,000 yards in his first year.
Dominguez runs a football camp in Saskatchewan[1] and spends his off-season in Regina with his wife Jennifer and his sons Matthew the 2nd and Marcel and daughter Victoria.
Dominguez was released by the Roughriders on February 13, 2009, days before he was due a bonus payment and other incentives with two years remaining on his contract.