Sue Bird, the four-time Olympic champion in women's basketball, and Megan Rapinoe, the World Cup and Olympic champion in women's football, are engaged.

Bird posted the matter on Instagram.

Americans Bird, 40, and Rapinoe, 35, visited the 2016 Olympics in Rio and have been dating ever since.

- We have a lot in common, and we just agree.

I joke that he is the best advisor.

He makes a lot of sense, Rapinoe said in an ESPN interview in 2017.

Bird has won two U.S. University Series championships, four Olympic golds and four WNBA League championships.

Rapinoe won Olympic gold on the U.S. team in 2012 in London as well as the 2015 and 2019 World Championships.