Domingo Junior Leyba Santana (born September 11, 1995) is a Dominican professional baseball infielder for the Olmecas de Tabasco of the Mexican League.

He has previously played in Major League Baseball (MLB) for the Arizona Diamondbacks and Baltimore Orioles.

He spent 2014 with the Connecticut Tigers and West Michigan Whitecaps, hitting .323 with two home runs and 24 RBIs in 67 games.

[9] He made his debut that night, recording a pinch-hit single off of Mark Melancon of the San Francisco Giants.

[11] Due to Major League Baseball shortening the season to 60 games because of the COVID-19 pandemic, Leyba was essentially ruled out for the entire year.

[18] On September 3, 2021, Leyba signed a minor league deal with the Texas Rangers and was assigned to the Triple-A Round Rock Express.

[22] He split the season between the Double–A Altoona Curve and Triple–A Indianapolis Indians, playing in 72 total games and hitting .293/.371/.443 with 8 home runs and 35 RBI.