Kalyn Ponga is battling a concerning stomach bug at McDonald Jones Stadium.
The fullback has been spotted keeled over, coughing and holding his gut, since he returning from the sheds (where he was also spotted running to the bathroom).
But despite the mystery affliction, it hasn t been enough to mitigate the threat of the youngster as he sets up another try to put his Knights out of trouble against the Sharks.
Much like he did in the first half, Ponga took on the outside edge, faking out his defenders with a dummy, before finding a last-ditch pass on the inside to Brodie Jones for a try.
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Ailing Ponga sinks Sharks in NRL thriller
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