What you need to know: Trophy Club Nelson

Byron Nelson Bobcats Tyler Milliken (11) carries the ball with a stiff-arm out during a varsity football game between Hurst L.D. Bell High School and Trophy Club Byron Nelson High School at Northwest ISD Stadium on Nov. 3, 2016 in Justin, Texas. (Ting Shen/The Dallas Morning News)

Byron Nelson Bobcats Tyler Milliken (11) carries the ball with a stiff-arm out during a varsity football game between Hurst L.D. Bell High School and Trophy Club Byron Nelson High School at Northwest ISD Stadium on Nov. 3, 2016 in Justin, Texas. (Ting Shen/The Dallas Morning News)

The postseason is here, and it’s officially the most wonderful time of the Texas high school football season. Guyer enters on a three-game win streak and is riding high on the heels of its defense, which has been a lockdown unit this year with the exception of blowout losses to arguably the two best teams in Texas — Allen and DeSoto.

And everyone knows what Guyer’s offense is capable of, even without the services of senior running back and second-leading rusher Myron Mason, who suffered one of the most freak injuries imaginable last week while running through the cheerleaders’ pregame sign. Now, let’s get to the game…

The Game: Guyer (8-2) vs. Trophy Club Nelson (4-6), Friday, 7:30 p.m., at C.H. Collins Athletic Complex

Series Record: Guyer leads the all-time series 4-0 with the four matchups coming in the last four seasons as former district foes.

What happened last week: Nelson beat Hurst L.D. Bell soundly to lock up its postseason berth after starting the year 0-5. Guyer beat Plano West 30-10 behind another dominant defensive effort.

What to expect: Points. Nelson is riding high with confidence, having won four of its last five games after starting the year 0-5. And the Bobcats are doing it with a dangerous spread attack led by two stud receivers in Tyler Milliken and Isaac Groves. Guyer’s defense has been tremendous this year, and will likely do its job again, but Nelson will get its points. Guyer, of course, will score behind its top-notch rushing attack and a quarterback in Luke Stillwell who is throwing the ball better than he has all year.

Final say: Nelson’s defense is an opportunistic, aggressive one, but that brand of defense can also get your burned, and Guyer will stick with what it does without trying to get cute or outsmart the Bobcats en route to a fairly decisive win.

Score prediction: Guyer 38, Trophy Club Nelson 21