The Rockets hit nine three-pointers to pull away in a Trico League opener for both teams.
Brock Johnson had 18 points and Mason Klingberg added 15 for Castle Rock.
“They just bombarded us with threes and we couldn’t catch up,” Seton coach Kevin Holboke said. “They just shot ball really well, and we were in their face too.”
Justin James scored 16 points to keep Seton Catholic in the game.
CASTLE ROCK 57, SETON CATHOLIC 40
CASTLE ROCK — Ty Johnson 14, Taitle Klein 2, Brock Johnson 18, Mason Klingberg 15, Kyle Koopman 5, Jason Porter 0. Totals 19 (9) 10-11 57.
SETON CATHOLIC — Justin James 16, Drew Fuller 8, Patrick Grace 4, C.J. Farrell 2, Haden Strong 6, Ryan James 2, Chris O’Connor 2. Tyler Davis 0, Max Moreland 0, James Henkels. Totals 14 (2) 10-12 40.
