With the ball nearly nestled in Stack's fingers, Jones sprung, sending the 253-pound Stack splattering to the ground in what was the most vicious tackle of training camp.
The regular-season games may still be three hours of vicious collisions, but training camp, once six weeks long, is now a three-week summer exercise in getting players prepared, as safely as possible, for the physical rigor that awaits them.
In 2002 Defense Secretary Donald H. Rumsfeld described those held at Guantánamo as "among the most dangerous, best trained, vicious killers on the face of the earth".
The US defence secretary, Donald Rumsfeld, said they were "among the most dangerous, best trained, vicious killers on the face of the Earth".
According to one account, she could even charm her way around animals: when a "vicious Alsatian dog, trained to bite and break necks," found her hiding under a bush with some partisans, she placed her arm around it, and "it lay down beside her, ignoring its handler's whistles".
Those jihadis fighting in the conflict in Iraq have been trained in vicious urban warfare against the most formidable army in history.
He and his main ally, Qari Hussain, whom officials and associates have described as a highly trained and vicious militant, have methodically built up strongholds in North and South Waziristan — killing uncooperative tribal leaders, recruiting unemployed young men to their jihad and filling the vacuum left by a lack of government services.
There is practical wisdom to be had as well in T. Gilbert's 1856 how-to book, "The Arabian Art of Taming and Training Wild and Vicious Horses".
On her arm perches a vicious eagle that has been trained to kill rattlesnakes.
They were trained to be vicious and when their jaws clamped on an arm or leg it was impossible to prise them open until the dog was dead.
