Sentence:  The Texans made themselves a comforting break on the opening <WSD>kickoff</WSD> when Denver 's Al Carmichael was jarred loose from the ball when Dave Grayson , the speedy halfback , hit him and Guard Al Reynolds claimed it for Dallas . 
Meaning of the word marked with <WSD> tags:  (football) a kick from the center of the field to start a football game or to resume it after a score