Ryan John "Rowdy" Tellez ( teh-LEHZ) born March 16, 1995) is an American professional baseball first baseman and designated hitter for the Toronto Blue Jays of Major League Baseball (MLB).
In 2013, Tellez was both a Baseball America and a Rawlings First Team High School All-American. He was drafted by the Blue Jays in the 30th round of the 2013 Major League Baseball draft. In 2015, Tellez was a Midwest League All-Star, and named to the Arizona Fall League (AFL) All-Prospect Team and an AFL Rising Star. The following year, he was named an Eastern League All-Star, an MiLB.com Toronto Blue Jays Organization All-Star, and a Baseball America Double-A All-Star.
He made his major league debut in 2018, and is the only player since 1913 to hit seven doubles in his first seven major league games.
He is also known as Ryan John Tellez.