Rio Noble Ruiz (born May 22, 1994) is an American professional baseball third baseman for the Diablos Rojos del México of the Mexican League.

[3][4] Considered a potential first round pick in the 2012 Major League Baseball Draft entering his senior season, he missed most of the year due to a blood clot in his right clavicle.

[5][6][7] The Houston Astros selected Ruiz in the fourth round of the 2012 Major League Baseball draft.

After the regular season, the Astros assigned Ruiz to the Salt River Rafters of the Arizona Fall League.

[10] The Astros traded Ruiz, Andrew Thurman, and Mike Foltynewicz to the Atlanta Braves in exchange for Evan Gattis and James Hoyt on January 14, 2015.

[15] The next day, he was announced as a pinch hitter in the seventh inning of a game against the Washington Nationals, but was unable to make a plate appearance before the contest was called due to rain.

[16] Ruiz tripled for his first major league hit on September 28, against Philadelphia Phillies pitcher Frank Herrmann.

[19] On May 20, 2017, Ruiz hit his first major league home run off Washington Nationals pitcher Max Scherzer.

[22] On August 11, 2019, Ruiz hit his first career walk-off home run off Roberto Osuna of the Houston Astros.