Eight practices, no fights? Why Raiders are pulling their punches

Aric Crabb/Bay Area News Group Linemen Benson Mayowa (91) and Clelin Ferrell take part in a drill during what has been a Raiders training camp where players have kept tempers in check. NAPA — With eight of 16 practices in the books during the Napa portion of Raiders training camp, you’d think the team with the most rough and tumble reputation in the NFL would have had a dust-up or two.

Yet even during the warmest weather after the morning fog burns off, the Raiders have kept their cool.

Once upon a time, good friends such as Greg Biekert and Steve Wisniewski would fake a fight to get things going. It wasn’t uncommon for coaches to step back and allow real altercations to to continue for a…