then attempt to tag out the runner. The left-handed pitcher, due to their natural stance and the way they are facing, has multiple moves. The two main methods are called the "snap throw" and "spin move". The snap throw is when the pitcher quickly lifts his back foot behind the pitching rubber and slings the ball to the first baseman. A snap throw can also refer to the catcher throwing the ball to the base following a pitch. The spin move is when the pitcher lifts his leg like he is going to pitch the ball but then rotates his body toward first and throws the ball. The pitcher will try to vary this move by doing this move while looking at the runner or at the batter, which can be deceiving to the baserunner. A former pickoff move in Major League Baseball used mostly by right-handed pitchers was called "third to first" and could only be done if there were baserunners on first and third. It was performed by the pitcher faking a pickoff at third, then stopping, spinning and throwing the ball to first base instead. This move was used to try to get the base-runner or the batter to disclose what action they were going to perform on the pitch. Former Kansas City Royals right-hander, Steve Busby, is credited for popularizing the "third to first" move, and Jeff Nelson was also known for using it. After the 2012 season, Major League Baseball instituted a rule change defining this move as a balk. Purpose There are a few reasons to use this tactic: To tag out the base-runner. Sometimes the runner will run on the first move of the pitcher. If the pitcher successfully throws the ball to the base before the base-runner is able to return to it, then the defense will be able to tag out the runner. To prevent a stolen base. If a fast base-runner is leading off the base by a large margin, the pitcher will throw over to the base a few times to try to get the base runner to shorten his lead, thus deterring him from stealing. After enough throws the runner will often either shorten his lead or tire from diving back, preventing him from stealing a base. The runner will often take a few steps off the base in order to have a head start toward the next