Question: Which Canadian sports announcer started his career at 16 and now does the play-by-play on "Showtime Championship Boxing"?
Sentence (from "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.
Relevant evidence: Yes