Sporting success is never achieved alone. It does not matter if you are Lionel Messi or Floyd Mayweather - a rise to the top demands on the influence of numerous others, and not just the natural talent the individual athlete.
But sometimes it is not a whole backroom team that can affect the trajectory of an athlete's career, but rather one person with whom they work with in tandem to reach the peak of their powers.
Unlikely pairings of contrasting characters often work best together, with the combination of their respective strengths ensuring they can become greater than the sum of their parts. This is not just the case in sport of course, but also a common narrative when it comes to cop capers on the silver screen.
Take the combination of Channing Tatum and Jonah Hill, for example - so good in 21 Jump Street that they have returned for a second movie. And as it prepares to hit cinemas on Friday, here's a run down of some of the great partnerships from the sporting world...