The clinical name for Down syndrome is trisomy 21, a condition in which a person is born with an extra chromosome, causing mild to moderate cognitive disability, developmental delays and physical challenges.

ARLINGTON, Texas - New Texas Rangers corner infielder Jake Burger picked his new jersey number to honor his daughter. Burger will wear the number 21 with the Rangers this season. Burger chose the number in honor of his daughter, Penelope, who was born with Down syndrome.

Down Syndrome is also known as Trisomy 21, and Burger wants to raise awareness and contribute to research on the genetic condition.

Burger, who was acquired by the Rangers this offseason in a trade from the Miami Marlins, will honor his daughter.

Jake Burger is one of the Texas Rangers’ offseason additions. He explained how his daughter influenced his switch from number from 36 to 21.

Jake Burger will wear No. 21 with the Texas Rangers, a number that has special significance for the first baseman’s family after his daughter was born with Down

Burger, who was recently acquired in a trade by Texas, discussed the challenges of learning first base and what he hopes to add to the Rangers’ lineup.

Jake Burger will wear No. 21 with the Texas Rangers, a number that has special significance for the first baseman’s family after his daughter was born with Down syndrome.

The new Rangers first baseman announced Friday that he will wear No. 21 to pay tribute to Penelope, who was born with Down Syndrome, and to raise awareness for the genetic condition.