What: Class 5A Region IV Division I semifinal game

When: Friday, 4 p.m.

Where: Alamodome, San Antonio

Radio/TV: 1300 AM.

Records: Westlake 10-2; Harlingen 12-0

Last game: Westlake won 49-23 last season.

Series: Westlake leads 3-0.

Foe to know: Mack Sanchez – Skilled QB is equally dangerous throwing (2,010 yards, 23 TDs) or running (765 yards, 14 TDs).

Stat that matters: 556 – Points scored in 2009 for the Cardinals, the fifth-best single-season amount in Rio Grande Valley history.

Rundown: Offense draw headlines for Harlingen with 46.3 points a game, but defense has given up just 11.3 points per contest. … Cardinals forced six turnovers in last week’s 21-14 win over previously unbeaten San Antonio Southwest. … The Cardinals outgained Westlake 457-275 in yardage in last year’s playoff loss, but the Chaps returned two kickoffs for touchdowns in the first quarter … Cardinal coach Manny Gomez expressed confidence in his team, telling 956sports.com “They [the Chaps] may execute better this year, but they had better skill guys and athletes last year. They’re beatable.” … WRs Anthony Reyna and Luke Lucio have combined for 1,555 yards, 15 TDs receiving.

Picayune’s pick: Westlake 38, Harlingen 21.