The Lions kept the Crows scoreless to midway through the second term as they registered another big win, 17.23 (125) to 4.2 (26) at Ganmain Sportsground.

The victory maintained the Lions' top spot on the ladder after starting the season with winning margins of 79, 87, 71 and now 99 points.

Last year's AFL Riverina Championship best and fairest winner Matt Hamblin continued his fine start to the season with another best-on-ground display that included three goals, backing up from playing for the Giants the day before.

Jack Sase also played a big for GGGM in keeping Leeton-Whitton coach Sam Darley relatively quiet.

GGGM coach Sam Martyn was happy to record another big win but pointed out areas they need to improve in.

"We let ourselves down going inside 50," Martyn said.

"We need to lower our eyes when entering inside 50 but in saying that, Leeton did a good job in forcing us wide."

Kyle Pete was Leeton-Whitton's best, restricting Riley Corbett to one goal.

The Lions' win sets up a huge top-of-the-table showdown against Mangoplah-Cookardinia United-Eastlakes on Saturday.

"I said to the boys it's exciting, it's time to test our footy against the best in the competition," Martyn said.

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