Odalis Amadol Pérez (born June 7, 1977 in Las Matas de Farfán, Dominican Republic) is a Major League Baseball starting pitcher in the Washington Nationals organization. Previously, he played with the Atlanta Braves ( - ), the Los Angeles Dodgers ( - ), and Kansas City Royals (2006- ). On January 15, 2002, he was traded by the Braves with Andrew Brown (minors) and Brian Jordan to the Dodgers for Gary Sheffield.
Pérez is a 1995 graduate of Damian Davis Ortiz High School in his homeland. He is currently single, but has a son, Odalis, Jr. Pérez has participated in community baseball clinics for the Dodgers and the Manny Mota International Foundation and has also visited schools in Los Angeles area as part of the Dodger Jams program. On May 2, , Pérez got his first victory pitching 5.2 innings and allowing two earned runs with seven strikeouts, as Atlanta rolled to a 5-3 victory over the Cincinnati Reds.
In a two-year period from 2002- , he won 27 games (15 in 2002, 12 in 2003), which was tied for the third most wins by a left-handed pitcher in the National League, joining Tom Glavine behind Randy Johnson and Al Leiter, and 10th most in the majors. Beside this, he was the first Dodger left-hander to register at least 12 wins in consecutive seasons since Fernando Valenzuela accomplished the feat between (21) and (14). During the same period, Pérez also had the sixth-most strikeouts mark (296) among all majors lefties, ranking fourth in the National League behind Johnson, Randy Wolf and Leiter.
Also in those two seasons, Pérez allowed two earned runs or less in 33 of his 62 starts, being selected to the All-Star game in 2002 — a season in which he pitched a pair of one-hitter games.
On July 25, 2006, Perez and two minor league pitchers (Blake Johnson and Julio Pimentel) were traded to the Kansas City Royals in exchange for Elmer Dessens. Cash considerations were also sent to the Royals in the deal.
On October 31, 2007, the Royals declined Perez's $9 million option and paid him a $1.5 million buyout.
On February 19, , Pérez signed a minor league contract with the Washington Nationals and was invited to spring training.
