Extra points if you eat your rival's flesh.

Source: https://www.dailymail.co.uk/sport/boxing/article-11984939/Bare-knuckle-boxer-lifts-lid-brutal-world-underground-fighting-NO-rules.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Taco Bell petitions end to rival's trademark of 'Taco Tuesday'

Source: https://abc7chicago.com/downtown-naperville-taco-crawl-mexican-restaurant-near-me-tacos-food/13783005/

Taking advantage of the eight minutes of extra time (which turned into ten), Rangers put pressure on, mainly trying to find Tavernier on the right, but Celtic's defence held off their rival's momentum to guarantee another victory in the classic."

Source: https://www.dailyrecord.co.uk/sport/football/world-media-reacts-rangers-worst-31776522

The CEO of MGA Entertainment, whose Bratz fashion dolls competed with Mattel's Barbie dolls, Larian traded hundreds of millions of dollars worth of his rival's securities between 2005 and 2019.

Source: https://www.salon.com/2023/03/17/wealthy-executives-make-millions-trading-competitors-stock-with-remarkable-timing_partner/