#3. Jack Conan (Ireland)
The number 8 lasted just 24 minutes of his side’s Rainbow Cup encounter with Irish provincial rivals Connacht.
Fresh from being named in Warren Gatland’s 37-man squad for the tour of South Africa, Conan took a knock carrying the ball up the pitch and colliding with Connacht No.8 Jarrad Butler.
He will follow the Graduated Return to Play Protocols this week