Olympic newsletter: Hammer history, 100m photo finish, and what to watch today

Canada's Ethan Katzberg won a historic hammer throw gold on Sunday while American Noah Lyles took the closest 100m final in decades. Plus, a look at the key events coming up on Day 10.

Olympic newsletter: Hammer history, 100m photo finish, and what to watch today
A men's hammer thrower poses with a Canadian flag.

Canada's Ethan Katzberg won a historic hammer throw gold on Sunday while American Noah Lyles took the closest 100m final in decades. Plus, a look at the key events coming up on Day 10.