Marissa-Coulterville outscored Dupo in every quarter including 20-7 in the first en route to a 72-36 victory Friday night in Cahokia Kaskaskia Division action.
The Meteors built a 37-19 halftime advantage and then outscored Dupo 22-7 in the third and 13-10 in the fourth to double up the Tigers.
Cody Mahan nailed five three-pointers in the win on his way to a team high 20 points, while Joey Martin had 13 and Kevin Galle added 12.