Whereas he has respect for his former coach’s talents, Biggar has revealed he had a generally fraught relationship with the 61-year-old New Zealander throughout his enjoying days.
“I’ve the utmost respect for Gats as a coach, what he has achieved with Wales, what we achieved collectively,” Biggar added on BBC Radio Wales.
“The connection with Warren was skilled, it wasn’t an excessively heat one.
“It was one in every of mutual respect. I simply felt on a few events we may have executed issues higher.”
The connection with Gatland is among the topics Biggar covers in his new autobiography.
The fly-half has highlighted incidents reminiscent of when the Wales squad threatened to strike for the 2023 Six Nations sport towards England over participant contractual points.
Whereas acknowledging Gatland was in a tough place as a result of he was a Welsh Rugby Union (WRU) worker, Biggar accused the coach of siding with the governing physique throughout its dispute with gamers and expressed frustrations on the remaining final result.
Biggar additionally criticised Gatland for a newspaper column the coach wrote after a World Cup warm-up sport in August 2023.
Gatland’s column criticised Biggar for having an argument with Owen Farrell at Twickenham after the England’s captain excessive deal with on Taine Basham, which resulted in a crimson card for the house skipper. Biggar admitted Gatland’s column had first left him indignant and later disillusioned.
Biggar additionally acknowledged that at one level in 2023 he questioned whether or not Gatland was the coach he had as soon as been, though he conceded Wales’ progress to the final eight of the World Cup had justified his reappointment by the WRU.
“I’m the primary to say I’m not an angel or straightforward to handle,” Biggar instructed the Scrum V podcast.
“We’re each cussed and did not assist one another in that sense, however it’s a kind of issues.
“There will probably be bits within the e-book individuals will learn however it’s necessary to spotlight Warren’s CV as a coach, it is necessary to notice we have been very profitable below him.
“His first time in Wales, he modified the Welsh rugby panorama and made Wales into what we have been.
“Now we’re disillusioned we won’t fairly get again there on the minute.”