[BillyMac]

During a fumble the player is not in control of the ball, and therefore, cannot be called for a traveling violation. A fumble is the accidental loss of player control when the ball is unintentionally dropped or slips from a player’s grasp. After a player has ended a dribble and fumbled the ball, that player may recover the ball without violating. Any steps taken during the recovery of a fumble are not traveling, regardless of how far the ball goes and the amount of advantage that is gained. It is always legal to recover a fumble, even at the end of a dribble, however that player cannot begin a new dribble, which would be an illegal dribble violation. A player who fumbles the ball when receiving a pass may legally start a dribble.

Also: Fumble/Dribble/Fumble: Legal
However: Dribble/Fumble/Dribble: Illegal Dribble