1.   Bjorn Borg was the reigning Wimbledon champion for five years.

2.   Bobby Rahal, the reigning champion in the current Indy Car series, has tried to develop a domestic car-building programme.

3.   Cool Californian Wayne Rainey is the reigning champion.

4.   She is also the reigning champion, having won four consecutive games.

5.   Can he defeat the reigning Wimbledon champion?

6.   ...the reigning Olympic champion.

7.   His next opponent, the reigning champion, would be by far the most redoubtable adversary the young boxer had ever faced.