The Tennessee Titans suffered a major setback to their defense on Wednesday.

According to ESPN's Adam Schefter, Titans pass rusher Harold Landry tore 

his ACL during practice. He will probably be out for the rest of the season.

Landry started last season opposite Bud Dupree and scored some great numbers.

He compiled 75 tackles (51 singles), 12 sacks, and one forced fumble.

For his career, he has racked up 256 tackles (164 singles), 31 sacks,

three forced fumbles, two fumble recoveries, and two interceptions.

 He has missed only one game in his career due to injury.

Titans will begin their regular season on September 11 against the New York Giants.