The Baltimore Ravens have signed free agent Vonta Leach to a three-year deal, the fullback confirmed Sunday. Leach, a 2010 Pro Bowl selection, posted news of the deal on his Twitter account. Scouts tapped Leach as the best blocking fullback on the market after spending five seasons with the Houston Texans. Leach appeared appeared in 98 games with Houston, New Orleans and Green Bay in his seven-year career, logging two rushing touchdowns on three carries and adding 76 catches for 537 yards and four scores.