The Melbourne Rebels flyer can command more than $1 million a year playing overseas and is expected to quit Australian rugby at the end of 2021 when his contract is up.
Rennie said he’d love to keep Koroibete, who had gone from strength to strength in the past 12 months and is now a global star.
“I agree, he’s been fantastic, phenomenal,” Rennie said.
“There’s been a couple of games he’s played this year where he’s been the best player on the field and you’ve only got to reflect back to the Bledisloe Cup game in Brisbane, he was sensational that day.