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.

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