Ryan Majewski led the Spartans with nine rebounds. Eight came in the second half.
“That's what his role needs to be and has been this year,” Gamber said. “He's done a good job of working on blocking out.”
Waltonville faces top seed Woodlawn on Wednesday night.
Christopher 66, Webber 32
The host Bearcats used a big second quarter to pad their lead and pull away from Webber.
Webber trailed 10-6 early in the second quarter before Christopher turned up its defense. The Bearcats were able to create several steals to jumpstart their offense. In a four minute span, Christopher went on a 16-4 run to build a double-digit lead it never lost.
“I was scared of (ball pressure) coming down here,” Webber coach Brad Beaty said. “We talked about it we worked on it.”
Jordan Wheeler finished with nine points to lead the Trojans. Jaxon Helm added six, and Zane Austin finished with five.
Christopher's lead surpassed 30 points late in the final quarter after taking a 32-13 edge into halftime.
Webber finished the game winless.
“I thought the last two weeks we really made strides,” Beaty said. “We really covered ground the last two weeks as far as kind of starting to turn that corner.”
Christopher faces Sesser-Valier in Wednesday's semifinal.