The Tigers started in stride with a Cameron Bowers jumper that was matched by Bulldog guard Wayne Jones.
A Brock Spencer driving lay-up off a Smyrna turnover made it 4-2 before Jones drilled a three-pointer to put Smyrna up 5-4.
At the other end, MCHS freshman Chris Walker was fouled and made one of two from the free throw line to knot the contest at five.
The Bulldogs scored seven straight points to take a 12-5 lead before Walker hit one free throw late in the quarter.
With under a minute to play in the first period, back-to-back buckets by Logan Brooks and Dominique Bell gave the Bulldogs a 16-6 lead after the first eight minutes.
Bell scored to open the second quarter scoring, but a Barry Mayes trey stopped the Tigers' bleeding at 18-9 and moments later, Walker scored in the paint to cut the Smyrna lead to seven-points at 18-11.
From there, Smyrna's Terrance Malone went off on a scoring tangent, pouring in nine out of the next eleven points for the Bulldogs, while the Tigers lone bucket came on a Kevin Peterson jumper and MCHS was in a deep hole by the halftime break 29-13.
Peterson hit a trey to begin the second half, but Malone and Walker traded buckets to make it a 31-18 ballgame.
With 2:14 remaining in the third period, Malone scored in the paint to open up a twenty-point lead for the Bulldogs, and after a Marshall County missed basket, P.J. Whittaker hit as jumper to give Smyrna their biggest lead of the game at 46-24.
The Tigers tried to claw back on a jumper by Bowers, followed by a two-pointer and a three-point play in the paint by Mayes as the third quarter ended with the Tigers trailing 46-31.
Smyrna maintained a big lead for the rest of the contest with the Tigers never getting any closer than thirteen points in the final period.
MCHS (8-2) was led in the scoring column by Peterson's 13 points, while Mayes scored 11, Walker 10, and Aaron Hobbs, Bowers, and Brock Spencer all had 4 points apiece.
Malone led all scorers with 22 points.