[thumpferee]

3/1 Move: With runners on first and third, the pitcher may bluff a throw to occupied third (by stepping toward third) and then after, turn toward first and either feint or throw to first, assuming he has disengaged the rubber. He could use the same motion even if he stayed in contact with the rubber, although this move would require him to throw to first since he maintained contact with the rubber. This last move would re- quire the pitcher to make two distinct and recognizable moves, (cannot be done all in the same motion without deceiving the run- ner). (CB 6.2.4C)
What this move allows, that is not ordinarily permissible, is disengaging the rubber by stepping forward. To do this, he must step directly and gain ground toward third base. The pitcher may not prematurely flex either leg before stepping directly and throwing to first base. That is considered a feint. Step- ping toward either second or third base with- out completing the throw is legal if the base is occupied by a runner or there is an at- tempt to retire a runner.