Not 99 Players, but maybe Star players. just like in rugby 08. Players who really are greats of their nation.
Wales - Stephen Jones / Jamie Roberts / Mike Phillips / Matthew Rees / Gethin Jenkins
New Zealand - Dan Carter / Ma'a Nonu / Mils Muliaina / Richie McCaw / Brad Thorn
Australia - Matt Giteau / Quade Cooper / Will Genia / Rocky Elsom / David Pocock
South Africa - Jaque Fourie / Bryan Habana / Morné Steyn / Bakkies Botha / Pierre Spies
Scotland - Sean Lamont / Mike Blair / John Beattie / Euan Murray
Ireland - Brian O'Driscoll / Tommy Bowe / Rob Kearny / Jamie Heaslip / David Wallace
England - Jonny Wilkinson / R Flutey / Chris Ashton / Tom Croft / Lewis Moody
those are the players i would choose from.
Also, i think each player should have a specialty or a reputation for something. this then can add in to the gameplay. can have a negative and a positive effect.
the positives can be Playmaker, Hard Tackler, Good Passer, Game Control, Place Kicker, Kicker out of Hand, Drop Goal Machine, Finisher, Hard Runner, Tackle breaker, Side Stepper, Line Out Winner, Scrummager.
the negatives can be Weak Tackler, Throws stray passes which can then be intercepted by the opposition, Injury Prone, Hot Head (likes to start or end a fight!), High Tackle reputation, Stamping.
Basically anything that can go for or against your team. think it would really add something to the game. Bakkies Botha will be a penalty machine for instance (Might be a good idea to have suspensions in the game for red cards, or even players can be cited?? thoughts?? Players like shane williams, habana, etc will be finishers, stephen jones will be a game controller, mike phillips will be a hot head, along with jimmy cowan, nonu will be a hard runner and tackler, steyn and carter and wilkinson kickers at goal, drop goals and out of hand. things like that will be great.
Players then like jamie roberts, mike phillips, morgan stoddart, jon davies, nonu, fourie, elsom and more will be strong running tackle breakers. dan biggar is known to throw a pass every game which results in an interception try for the opposition!