Bob and Mike Bryan were well known brothers in which sport?

The story behind the answer

Tennis. Bob and Mike Bryan are American identical twins who dominated men’s doubles for nearly two decades. Together they won a record 16 Grand Slam titles, over 100 ATP trophies, Olympic gold in 2012, and spent years as the world’s No. 1 doubles team—making them the most decorated men’s doubles pair in the Open Era.

Memory tip: Twins thrive in doubles—think “double trouble” on a tennis court and their trademark post-win chest-bump. Other sports have famous siblings, but “the Bryan brothers” is synonymous with elite doubles tennis.