The Trinity League in Southern California plays its final regular-season Friday on Oct. 30 with two games that matter. St. John Bosco visits Mater Dei with both teams at 7-2, and Santa Margarita, 9-0 and No. 2 in the MaxPreps national rankings, plays at Orange Lutheran with an unbeaten league run on the line.

Home and away teams and the season numbers below come from MaxPreps data. The Trinity League schedule published by High School On SI lists the same two games for that night, along with Servite at JSerra.

St. John Bosco (7-2) at Mater Dei (7-2)

The records match, and so do the defenses. Each team has allowed exactly 167 points in nine games, 18.6 per game. The offenses do not match. St. John Bosco, No. 11 in the most recent MaxPreps national rankings, has scored 340 points (37.8 per game). Mater Dei, No. 19, has scored 257 (28.6).

The common opponent is Santa Margarita, which beat both: 14-7 over Mater Dei on Oct. 2 and 21-7 over St. John Bosco on Oct. 16. Mater Dei comes in off a 52-38 win over Orange Lutheran that it sealed with two fourth-quarter pick-sixes.

Santa Margarita (9-0) at Orange Lutheran (5-4)

Santa Margarita's numbers are the best in the league by a distance: 276 points scored and 56 allowed, an average of 6.2 per game. Three opponents have been shut out (Jones of Orlando, Fla., 27-0; Inderkum, 41-0; Norco, 34-0), and the only one-score game was a 21-20 win over Centennial of Corona on Aug. 28. The Eagles, coached by Carson Palmer according to MaxPreps, are 4-0 in Trinity League games after beating JSerra 36-12 last Friday.

Orange Lutheran scores 31.6 points per game but has allowed 22.9. The Lancers have 284 points this season, more than Santa Margarita, and they gave Mater Dei 38 last week.

Both games kick off at 7 p.m. Pacific, per the MaxPreps schedules for Santa Margarita and Mater Dei. The league schedule is in High School On SI's Trinity League preview. Results land on our high school football page.