Ernesto Frieri Gutiérrez [free-eh'-ree] (born July 19, 1985) is a Colombian former professional baseball relief pitcher.

He began his professional career in 2005, splitting the season between the AZL Padres and Lake Elsinore Storm.

In 2006, Frieri split the season between the Eugene Emeralds, Fort Wayne Wizards and Lake Elsinore Storm.

In 2008, he played for the Storm, the Double-A San Antonio Missions and the Triple-A Portland Beavers.

[1][2] He made his Major League debut on September 26 against the Arizona Diamondbacks, pitching one inning of no-run ball and throwing two strikeouts.

[citation needed] On September 25, 2012, Frieri was one of five pitchers (Zack Greinke, Garrett Richards, Scott Downs, Kevin Jepsen) to combine for 20 strikeouts in a nine-inning game, tying a Major League Baseball record.

On April 25, 2014, Frieri was pulled from the closer role in favor of Joe Smith after multiple poor outings.

On June 27, 2014, Frieri was traded to the Pittsburgh Pirates in exchange for relief pitcher Jason Grilli.

[11] On June 2, Frieri was designated for assignment by the Rays after once again suffering through bouts of extreme inconsistency.

After Colombia's elimination, On March 16, 2017, he signed a minor league contract with the New York Yankees.

[22] On April 5, 2018, Frieri signed with the Acereros de Monclova of the Mexican Baseball League.