You need power and balance, due to the majority of contesting rucks and mauls... As the game is really physical you'll obviously need power to dominate your opponent and balance to hold your own
James hook
It's hard to say, generally soccer players all need to be very quick, but in rugby some players do little running. Brian Habanna is probably the quickest rugby player in the world and may be quicker than Cristiano Ronaldo when running, however a 20st forward would be slower. The quickest rugby and soccer players may be similar, but the slowest soccer player would be quicker than than slowest rugby player.
There is just about always a need for pro football players. just like there's a need for professional players of any sport. Football players in EPL in England have been pro for decades, while Rugby is only last 10 years.
No player would wear shin pads in rugby, there is no need for them.
David Skrela, Sebastian Chabal, Frederick Michalak need more?
Rugby players have a tough training. rugby players need to be 'big and strong' and so a high protein diet is necessary for 'growth and repair.' If you train, you should eat protein afterwards so your muscles can repair, and in laymans terms, it gets your muscles bigger.
This would depends on how much money each rugby ball costs, so you need to be more specific.
Rugby boots need studs in order to offer the player grip on grass and mud, which can be slippy.
Balance is important for a Rugby player so that s/he may remain on their feet in a ruck, remain standing when tackled, and perform moves such as side steps.
To balance 5kg, you would need 5 kiil grams.
well its the same question as why would you need balance to ride a bike. because if you dont have balance you wont get very far.
The game is a full contact game. It requires players to pull, push and, jump, run and of course tackle. Physical strength is key as each player must use it compete with their opposite number