Serena Williams' suggestion that injectable weight loss drugs could have helped her in tennis is part of an ongoing discussion in the sports world.

Test your knowledge of this week’s news, and take last week’s quiz here. Jeremy Mikula is the weekend director of platforms for NBC News. Nigel Chiwaya is the Senior Editor, Data Viz for NBC News Digital.

The US Open has thrown up plenty of upsets over the years, with a string of top players humiliated by lower ranked opponents. The Flushing Meadows tournament has been notoriously open in recent seasons, with six different men lifting the trophy over the last six years and six different women tasting success over the same period.

Serena Williams has opened up about how she used weight loss medication to lose over 31 lbs (14 kgs) after her pregnancies.

Serena Williams gave an update on sister Venus Williams' wedding during an appearance on the 'Today' show on Aug. 21. She also opened up about how planning events for her sister's nuptials has been "overwhelming.

Serena Williams shared marriage advice for her sister Venus Williams amid her engagement with fiancé Andrea Preti.