Nitto ATP Finals - On this day in 1973 Bjorn Borg became World No. 1. Can you tell us how many Nitto ATP Finals did he play in? | Facebook
![Goran Ivanisevic Croatia Serves Bjorn Borg Sweden Chengdu Open Atp – Stock Editorial Photo © ChinaImages #245264208 Goran Ivanisevic Croatia Serves Bjorn Borg Sweden Chengdu Open Atp – Stock Editorial Photo © ChinaImages #245264208](https://st4.depositphotos.com/21607914/24526/i/1600/depositphotos_245264208-stock-photo-goran-ivanisevic-croatia-serves-bjorn.jpg)
Goran Ivanisevic Croatia Serves Bjorn Borg Sweden Chengdu Open Atp – Stock Editorial Photo © ChinaImages #245264208
![ATP Tour on Twitter: "Happy birthday to former World No. 1 Bjorn #Borg! Favourite Borg memories? http://t.co/AjxVdy5xqt #ATPHeritage #ATP http://t.co/vqYo9WeTFU" / Twitter ATP Tour on Twitter: "Happy birthday to former World No. 1 Bjorn #Borg! Favourite Borg memories? http://t.co/AjxVdy5xqt #ATPHeritage #ATP http://t.co/vqYo9WeTFU" / Twitter](https://pbs.twimg.com/media/CGzOYwQUYAAIbN1.jpg)
ATP Tour on Twitter: "Happy birthday to former World No. 1 Bjorn #Borg! Favourite Borg memories? http://t.co/AjxVdy5xqt #ATPHeritage #ATP http://t.co/vqYo9WeTFU" / Twitter
![Tennis - ATP Seniors Tour - Honda Challenge - John McEnroe v Bjorn Borg - Royal Albert Hall, London Stock Photo - Alamy Tennis - ATP Seniors Tour - Honda Challenge - John McEnroe v Bjorn Borg - Royal Albert Hall, London Stock Photo - Alamy](https://c8.alamy.com/comp/G8XFTW/tennis-atp-seniors-tour-honda-challenge-john-mcenroe-v-bjorn-borg-G8XFTW.jpg)
Tennis - ATP Seniors Tour - Honda Challenge - John McEnroe v Bjorn Borg - Royal Albert Hall, London Stock Photo - Alamy
![Roquebrune Cap Martin, France. 16th Apr, 2023. Bjorn BORG with his girlfriend Patricia OSTFELDT during the Rolex Monte-Carlo, ATP Masters 1000 tennis event on April 16, 2023 at Monte-Carlo Country Club in Roquebrune Cap Martin, France. 16th Apr, 2023. Bjorn BORG with his girlfriend Patricia OSTFELDT during the Rolex Monte-Carlo, ATP Masters 1000 tennis event on April 16, 2023 at Monte-Carlo Country Club in](https://c8.alamy.com/comp/2PNEJXP/roquebrune-cap-martin-france-16th-apr-2023-bjorn-borg-with-his-girlfriend-patricia-ostfeldt-during-the-rolex-monte-carlo-atp-masters-1000-tennis-event-on-april-16-2023-at-monte-carlo-country-club-in-roquebrune-cap-martin-france-photo-matthieu-mirvilledppi-credit-dppi-mediaalamy-live-news-2PNEJXP.jpg)