PHILADELPHIA — The Gold Standard Quarterback Factory is experiencing a New Normal now that its Hungry Dogs aren’t running quite so fast. These days, the “Dog Mentality” that Nick Sirianni and his Eagles preach seems more insane than inspirational to NFL traditionalists who believe that head coaches shouldn’t taunt other teams’ fans. Nothing has defined the Jeffrey Lurie ownership era more than their self-generated maxims and mottoes. When they win, which is often, the phrases resonate. When they lose, they are ammunition for mockery. The winning has paused. Sirianni seems bewildered. The team …
