By PAUL REES

JACK Musk had not started a Premiership match before this season but now he has made four in a row and is minimising the impact of England squad hooker Jack Walker’s injury.
The 22-year old Musk, who came through the academy at Quins, had been involved in 17 Premierships matches before this season. He was on the bench for all of them and came off it eight times.
“I have been pleased with how it has gone this season, although it is bittersweet because Jack Walker is a good mate of mine,” said Musk.
“You have to take your opportunity when it c...