Newcastle Knights became experienced playmaker Blake Green's seventh NRL club on Tuesday.
Huddersfield Giants led Leeds Rhinos 26-6 but lost an astonishing contest in extra time without adding another point.
Israel Folau, who was sacked by RA for homophobic social posts, refused to take a knee in solidarity with Black Lives Matter on Sunday.
Captain Cameron Smith's shoulder injury dealt a blow to Melbourne Storm, but Ryan Papenhuyzen turned on the style against Newcastle Knights.
Nathan Cleary scored 18 points and Charlie Staines crossed twice for Penrith Panthers, while the returning John Bateman impressed.
Brisbane Broncos looked poised to end a dreadful run of results, only to fall victim to a late attack from Cronulla Sharks.
Alex Johnston scored a hat-trick as South Sydney Rabbitohs came from behind to defeat St George-Illawarra Dragons 32-24 in the NRL.