Complementary football helped the Texans out at the perfect time on Sunday in Nashville.

Whitney Mercilus picked it, and a couple plays later, Deshaun Watson and Kenny Stills scored.

On 1st-and-Goal at the Texans 5-yard line, Titans quarterback Ryan Tannehill drilled a pass to tight end Anthony Firkser who was headed in for the score. But safety Justin Reid popped the ball up and into the waiting arms of Mercilus. The outside linebacker broke a few tackles and chugged up the right sideline 86 yards.

After Mercilus and the Rock Boyz celebrated, the Houston offense was set up at the Tennessee 12-yard line with 10:46 remaining in the second quarter.

Watson kept it on a quarterback run for no gain, and then found paydirt on the next play.

He tossed a 12-yard touchdown to Kenny Stills, and the Ka'imi Fairbairn extra point gave the Texans a 7-0 advantage with 9:59 left in the opening half.

It was the second interception of the season for Mercilus.

For Watson, the touchdown pass was the 70th of his career. He joined Dan Marino, Kurt Warner and Patrick Mahomes as the only quarterbacks in NFL history to toss 70 touchdowns in their first 37 career games.

On the year, Watson now has 25 touchdown passes.