The Cowboys and St. Louis Rams cut short the second of two joint practices at training camp Tuesday after several fights broke out, including one where Dallas receiver Dez Bryant was punched in the face. The workout at the Cowboys' camp facility ended about 30 minutes earlier than expected after the skirmishes on the field where the St. Louis offense and Dallas defense were scrimmaging. At the end of the day we know why it happens,'' said Cowboys executive vice president Stephen Jones, who is on the NFL's competition committee. More...