@Seagles68 I don't think there is any doubt that Walsh will initially find it hard to play at NRL level next season. However, I think it's important that the Fogarty/Walsh halves combination is given as many games as possible, for Manly to have any chance of playing finals in 2026.
If he's good enough, he will handle it. If not, back to NSW Cup to further develop his skill set.
Isaiya Katoa made his first-grade debut for the Dolphins in round one 2023, was in and out of the NRL team, and look at him now. He did so without any NRL experience for the Panthers.