The Washington Redskins on Wednesday signed rookie quarterback Robert Griffin III, the team announced. The Heisman Trophy winner from Baylor was the second pick in this year's draft. Griffin announced the news on Twitter: "Well people....It's Time to go to Work!!! Off the unemployment line and oh yea HTTR!!!" The initials stand for "Hail To The Redskins," the team's fight song. Griffin's four-year contract is worth $21.1 million and is fully guaranteed, with no offset language, a league source told ESPN NFL Insider Adam Schefter. Read more: http://espn.go.com/nfl/story/_/id/8...gn-robert-griffin-iii-according-adam-schefter