Add another name to the Indianapolis Colts' general manager search.
Irsay disclosed Popp's name after prompting his followers to guess a mystery candidate by listing Popp's first name and CFL affiliation.
"Look at this man's accomplishments!" Irsay wrote. "Does he deserve NFL shot or not a good fit in NFL??"
Popp has helped lead the Alouettes to three Grey Cup victories since 2000.
Irsay also said that seven candidates will be interviewed for the position by the end of Monday.
Team sources told NFL Network's Albert Breer this week that Dallas Cowboys assistant director of player personnel Tom Ciskowski is among the candidates to be interviewed, and NFL.com's Steve Wyche, citing a league source, reported that Atlanta Falcons director of college scouting David Caldwell also is among the seven prospective hires.
Philadelphia Eagles director of player personnel Ryan Grigson reportedly is in the mix, too. The Colts also contacted the New Orleans Saints for permission to speak with director of college scouting Rick Reiprish, a league source told The Times-Picayune.