Which Canadian sports announcer started his career at 16 and now does the play-by-play on "Showtime Championship Boxing"?
Showtime Championship Boxing:  "Showtime Championship Boxing", which is very similar to "HBO World Championship Boxing", features Mauro Ranallo on play-by-play, Al Bernstein as the color analyst, Jimmy Lennon (Sr. and Jr.) as announcers, and Jim Gray as reporter. Mauro Ranallo:  He began announcing when he was 16 years old and is notable for his dramatic style, which involves heavy use of metaphor, puns, and an advanced vocabulary.
Mauro Ranallo