Borthwick was appointed to replace Australian Eddie Jones in December 2022
Steve Borthwick believes the expectation, scrutiny and pressure of playing for England has got to his players during their three-match losing run.
After winning 11 matches in a row coming into the Six Nations, defeats by Scotland, Ireland and Italy have wrecked any possibility of an England title bid.
"I think that the England shirt can, at times, weigh heavy," Borthwick told Rugby Union Weekly.
"We've worked exceptionally hard to try and alleviate that.
