Tyler Brock Pastornicky (born December 13, 1989) is an American former professional baseball shortstop.

[1] Pastornicky played 2008 with the Gulf Coast League Blue Jays, hitting .263 in 50 games with 27 stolen bases in 32 attempts.

[2] On July 15, 2010, the Blue Jays traded Pastornicky along with Álex González and Tim Collins to the Atlanta Braves for Yunel Escobar and Jo-Jo Reyes.

Pastornicky recorded his first hit that day, a triple off of Ramón Ramírez that went over the head of center fielder Andrés Torres.

[9] He was sent back down to Triple-A Gwinnett after having the lowest fielding percentage among all major league shortstops.

[17] Pastornicky represented the United States at the 2015 Pan American Games, and earned a silver medal as a member of the baseball team.