Robbie Gray's after-the-siren goal costs punter $50,000

Here are TAB's biggest bets from the weekend of sport:

Winners Are Grinners

$224,000 at $1.07 on Melbourne vs. Gold Coast (NRL Round 10 - Melbourne won 42-6)

$100,000 at $1.14 on Penrith vs. North Queensland (NRL Round 10 - Penrith won 22-10)

$50,000 at $1.10 on Penrith vs. North Queensland (NRL Round 10 - Penrith won 22-10)

$40,000 at $1.08 on Melbourne vs. Gold Coast (NRL Round 10 - Melbourne won 42-6)

$24,000 at $1.95 on Gold Coast -1.5 vs. Sydney (AFL Round 7 - Gold Coast won by 32 points)

Better Luck Next Time

$50,000 at $2.50 [during the game] on Carlton vs. Port Adelaide (AFL Round 7 - Port Adelaide won by 3 points)

$25,000 at $1.16 on Sydney Roosters vs. Canberra (NRL Round 10 - Canberra won 24-20)

$22,090 at $1.18 on Sydney Roosters vs. Canberra (NRL Round 10 - Canberra won 24-20)

$21,000 at $1.50 on Penrith -12.5 vs. North Queensland (NRL Round 10 - Penrith won 22-10)

$20,000 at $2.80 on Richmond win vs. North Melbourne/Over 120.5 Points to be scored (AFL Round 7 - Richmond won by 54 points; 100 points scored)