The start of training camp has prompted a flurry of big extensions. But the most impactful moves, the ones most likely to affect the bottom line this season, were made months ago. Given some time to examine free agency, here are my five riskiest deals and five best bets of the offseason. Riskiest Deals Contract terms: 3 years, $67.5 million ($45 million guaranteed) Despite the familiarity between general manager Jon-Eric Sullivan, head coach Jeff Hafley and Willis from their time together in Green Bay, the Dolphins might have drastically overpaid a fifth-year signal-caller with only six pro st...