Aggies’ top-tier defense is no joke

Texas A&M defensive lineman Tyree Johnson (3) reacts after sacking New Mexico quarterback Terry Wilson (2) during the first half of an NCAA college football game on Saturday, Sept. 18, 2021, in College Station, Texas. (AP Photo/Sam Craft)Texas A&M defensive lineman Tyree Johnson (3) reacts after sacking New Mexico quarterback Terry Wilson (2) during the first half of an NCAA college football game on Saturday, Sept. 18, 2021, in College Station, Texas. (AP Photo/Sam Craft)FAYETTEVILLE — No FBS team has allowed fewer points this season than Texas A&M.

The No. 7 Aggies (3-0) have held their first three opponents to a combined 17 points and lead the nation in scoring defense, yielding an average…