Olympic newsletter: Canada wins its first 2 golds, plus Tuesday's medal chances

This is an excerpt from CBC Sports' daily newsletter, The Buzzer. Subscribe here to get the latest on the Paris Olympics in your inbox every day.

Canada won its first two gold medals of the Paris Games today as a pair of favourites delivered historic victories on their sport's biggest stage.

A few hours after top-ranked Christa Deguchi captured Canada's first-ever Olympic judo title, swimming phenom Summer McIntosh earned her first (of perhaps many) Olympic golds with a dominant performance in her best event.

McIntosh won the women's 400-metre individual medley by almost six seconds, adding to the silver she claimed in the 400m freestyle on Saturday. The 17-year-old world-record holder and two-time 400m IM world champion owned the race from start to finish, easily beating U.S. teenager Katie Grimes and American Emma Weyant.

Deguchi, a two-time former world champ ranked No. 1 in her weight class, prevailed in overtime in her gold-medal match. Deguchi's opponent, South Korea's Mimi Huh, defeated her in the final at this year's world championships. But the Canadian looked like the better fighter here before Huh incurred her third penalty, automatically ending the bout.

Earlier today, Canadian divers Nathan Zsombor-Murray and Rylan Wiens took bronze in the men's 10m synchronized event. Swimmer Mary-Sophie Harvey nearly grabbed Canada's fourth medal of the day in the women's 200m freestyle final, finishing fourth as Mollie O'Callaghan unseated fellow Australian Ariarne Titmus as Olympic champion.

Today's trio of medals brought Canada's total to five (2 gold, 1 silver, 2 bronze) through the first three full days of competition.

Canada has more medal chances coming up on Day 4. Before we get to those, an update on the most