A fight broke out between Texans wide receiver DeAndre Hopkins and 49ers defensive back Jimmie Ward as tempers flared at the start of a joint practice Wednesday.
Ward knocked off Hopkins' helmet, angering Hopkins. They exchanged punches before going to the ground and then it was eventually broken up.
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Hopkins was sent inside to the practice bubble. Ward has remained on the field, but is just running on the side and is no longer practicing.