Newcastle secured a slim 18‑14 victory over Wests in round 17.
A crucial long sprint try in the dying minutes tipped the game.
Knights tenaciously held on under pressure.
Play briefly stopped for a disputed bunker call before the score came through.
Coach Craig Best and winger Young cleverly set up the move, each making a crucial pass and the final try.
The Tigers unfortunately lost a star player to injury, a vital blow likely out for the rest of the year.
That severely hit their depth and leaves them near the bottom of the ladder, the club's chances now crippled as the season rolls on.