The 6-foot-5 center scored 36 points and hauled in 24 rebounds, both game-highs, during the Tomcats' 85-54 victory over the Eagles Friday in TVC Hocking action.
Christman had 26 points in the first half, and THS (13-5, 7-2) held a sizable 44-27 intermission advantage.
A 25-8 third quarter run increased that lead to 69-35 and allowed the hosts to cruise to the 31-point triumph.
Trimble, with the win, also remains tied with Federal Hocking atop the TVC Hocking Division standings with one game remaining.
EHS (10-8, 5-4) was mathematically eliminated from the TVC Hocking title hunt, but can play spoiler next Friday when it hosts Fed Hock in the regular season finale.
The Green and White led 45 seconds into the game (2-0), but a 16-11 surge gave the Tomcats a 16-13 first quarter advantage. The guests pulled to within one (16-15) early in the second period, but they would come no closer.
Trimble outrebounded EHS by a 43-22 margin, including a 22-15 edge on the offensive glass. The hosts also connected on 31-of-75 floor shots for 41 percent. THS also made 20-of-21 free throw attempts for 95 percent.
Conversely, the Eagles hit 21-of-68 shot attempts for 31 percent and also sank 2-of-8 charity tosses for 25 percent. The guests also made 6-of-13 attempts from behind the arc for 46 percent.
Bryce Honaker led Eastern with 17 points and Kyle Rawson followed with nine points and a team-high six caroms.
Michael Owen and Mark Guess each added eight points, while Nathan Carroll chipped in six to the loss.
Anthony Dixon followed Christman with 21 points. Chaz Mohler added nine markers and Mark Christman chipped in six for THS.
Trimble claimed a sweep with a 48-36 victory in the junior varsity tilt.
Ian Standley led the Tomcats with 12 points, while Eastern's Josh Collins had a team-high nine markers in the setback.
Eastern hosted Meigs Saturday night and returns to action this Friday when it hosts Federal Hocking in the TVC Hocking finale. Tip-off is slated for 8 p.m.