Sarries boss Mark McCall had urged the golf equipment to approve Morrow’s twin function, telling the BBC he hoped all events “can come to an association that fits everyone”.
“I can perceive why he’s in demand as a result of he’s excellent in his area. Hopefully small-mindedness does not get in the best way of choice,” added McCall.
Nonetheless, Harlequins scrum-half Danny Care – who retired from worldwide responsibility earlier within the 12 months after successful 101 caps – has been amongst these to query how manageable a job-sharing place could be, contemplating Morrow would have entry to key medical data relating to England gamers when on Saracens responsibility.
“I can perceive why there shall be a hesitation from different Premiership golf equipment,” Care instructed the Rugby Union Weekly podcast.
“I’d say there’s a battle of curiosity – and I’m not in any manner questioning Phil Morrow’s integrity.
“I’ve little doubt Phil Morrow would do an unbelievable job in that function, but it surely does not appear proper to me.”
Borthwick has spent the final month rebuilding his backroom workers after the departures of Walters and health coach Tom Tombleson, in addition to the shock resignation of defence coach Felix Jones.
England begin their new marketing campaign towards New Zealand at Twickenham on Saturday, 2 November.