The Baltimore Ravens have agreed to a contract with undrafted rookie safety Brad Jones, according to a league source. Jones is a 6-foot, 192-pounder who has registered a 39-inch vertical leap and runs the 40-yard dash in 4.53 seconds. He also posted a 10-05 broad jump and a 4.22 in the 20-yard shuttle and a 6.78 three-cone drill at his campus Pro Day workout.