Tony Romo threw for 198 yards with two long touchdowns to Dwayne Harris while playing only the first quarter, and the Dallas Cowboys beat the St. Louis Rams 20-19 Saturday night.
Romo completed 9-of-13 passes, including a 61-yard TD after Harris got behind the Rams defense.
Dallas (2-1) wraps up its preseason at home against Miami on Wednesday, a week before opening the regular season at the New York Giants.
The Rams had only 114 total yards before halftime, a week after scoring TDs on their first two drives against Kansas City in a 31-17 win.
The Rams (1-2) play Baltimore on Thursday.
Information from The Associated Press and Espn.com contributed to this report.