In terms of titles won, the tennis-playing Bryan brothers from California stand out. Bob and Mike teamed up in doubles and won 16 Grand Slam titles, 119 tour-level titles and a 2012 Olympic gold medal, and became known for leaping to bump chests at the end of many victories.

England will give Harlequins winger Cadan Murley his debut against Ireland on Saturday after Steve Borthwick named his team on Tuesday for the Six Nations opener, with twins Ben and Tom Curry to start in the back row together for the first time.

Steve Borthwick has announced the England squad to face Ireland in their opening match of the 2025 Guinness Six Nations at the Aviva Stadium in Dublin

Harlequins star Marcus Smith has win the race for the 10 jersey. The midfield sees Exeter Chiefs' Henry Slade named at inside centre with Bath's Ollie Lawrence at 13. In the back three, Cadan Murley will make his England debut on the left wing, with Tommy Freeman on the right and Freddie Steward at full-back, rounding off the starting line-up.

The team news also sees Tom Curry line up alongside his twin brother Ben Curry in the back-row with Marcus Smith starting at fly-half.

Flankers Tom and Ben Curry will start together for England for the first time against the defending champions in Dublin