ANOTHER day and another superstar is packing his bags, bound for the English Super League, with St George Illawarra prop Jason Ryles signing a three-year $1.7 million deal with Les Catalans.

Less than a day after the English competition confirmed it would expand from 12 to 14 teams from next season, NRL chief executive David Gallop admitted the drain of talent overseas was increasingly becoming a concern and said the issue would be high on the agenda at a summit of club bosses on Tuesday.

But Gallop is likely to remind them of the avenues already in place to entice players to stay in the domestic competition instead of chasing the large contracts on offer in Europe - in both league and union.

"It's certainly going to be discussed and it is a concern - but there's no magic wand," Gallop said. "We'll be taking the opportunity to remind clubs of the measures already in place to help convince players to stay."

They include a relaxing of rules last year around third-party agreements and a superannuation-style retirement fund for representative players who do not switch codes at any stage of their careers.

"The Super League having two added teams suggests there is more of a threat," Gallop said. "But I think it is a clear goal by them to lower the number of imports in their sides. The other thing is that it is fairly hard to earn representative honours if you are not playing in the NRL."

Still, Ryles's departure was last night seen by many as another sign of the emerging threat of cashed-up Super League clubs.

The Dragons prop has been in solid form and many believed he should be in the NSW team to play Queensland in the State of Origin decider at ANZ Stadium on July 2.

But the 29-year-old was granted permission to explore other options overseas after incoming coach Wayne Bennett told Dragons officials the former Kangaroos and NSW front-rower was chewing up too much of the salary cap.

His departure means the Dragons are likely to sign Melbourne second-rower Jeremy Smith, whom they have long coveted, but the future of captain Mark Gasnier is no clearer.

Former Waratahs coach Ewen McKenzie has opened the door for discussions with the Australian and NSW centre after McKenzie confirmed he would coach French rugby glamour club Stade Francais.

But Gasnier must call first.

"I'm not sure what his status is," McKenzie said. "He's obviously a great player. I've [only] signed on the dotted line the other day. I'll start looking at the market. I haven't spoken to him about it, though."

McKenzie said he would target rugby players but he is also a Gasnier fan, having tried to entice him to play for the Waratahs when Gasnier indicated three seasons ago he was considering a switch to rugby.

Unlike other league players, McKenzie believed Gasnier was genuinely interested in defecting to the 15-man code.

"If someone rings me up, well so be it," McKenzie said. "But at this point in time I'm looking at rugby players."

Meanwhile, Gold Coast captain Scott Prince scared Queensland selectors yesterday when he rolled his ankle in an innocuous training mishap.

Betting for the match between the Titans and South Sydney at ANZ Stadium on Monday night was suspended across all betting agencies but not before the last-placed Rabbitohs were reeled in from $3.10 to $2.80.

And there were immediate concerns that Prince might have been in doubt for the Origin decider - something Titans coach John Cartwright quickly dismissed.

"I've spoken to the doctor and he's confident he'll play on Monday," he said. "He's in no doubt for Origin if he's selected."

In other signing news, Canberra has re-signed five-eighth Terry Campese for a further two seasons after the club missed out on luring former Dragons captain Trent Barrett.

"I proposed to my girl [Sarah] the night before last, and it's just a bonus that this contract has come as well," he said.

But Campese's signature came at a loss, with veteran outside back Colin Best signing with South Sydney for two seasons. The Rabbitohs also renewed young back-rower Shannan McPherson's contract for another two years.