Dominican-born outfielder Teoscar Hernández joined the Astros' family as a toolsy 18-year old in 2011. Possessing a rare combination of speed and power, Hernández climbed steadily through the ranks and got the call to Houston on August 12, 2016. Teoscar didn't waste any time making his presence felt in the big leagues, going 2 for 4 with a home run in his first game with the Astros.