Nicholas Randolph Ramirez (born August 1, 1989) is an American professional baseball pitcher who is a free agent.

He has previously played in Major League Baseball (MLB) for the Detroit Tigers, San Diego Padres, New York Yankees, and Los Angeles Dodgers.

Ramirez played college baseball for the Cal State Fullerton Titans before the Milwaukee Brewers selected him in the 2011 MLB draft as a first baseman.

[3] He split his first professional season between the rookie–level Helena Brewers and Single–A Wisconsin Timber Rattlers, batting a cumulative .271/.305/.496 with 11 home runs and 53 RBI.

[4] Ramirez spent the 2013 season with the High–A Brevard County Manatees, playing in 134 games and batting .258/.326/.438 with career–highs in home runs (19) and RBI (81).

[6] In parts of six seasons in Double–A (with the Huntsville Stars and Biloxi Shuckers of the Double A Southern League), he batted .229/.324/.405 with 50 home runs and 198 RBI.

[14] At time of promotion he had pitched in five games, three for Double-A Erie SeaWolves and two for Triple-A Toledo Mud Hens, starting all five.

[8] On May 11, Ramirez made his major league debut against the Minnesota Twins, pitching four innings of relief in the second game of a doubleheader.

[21] When the 2020 minor league season was cancelled because of the COVID-19 pandemic, Ramirez was assigned to the Tigers alternate training site.

[30] He made 53 appearances for the Triple-A Tacoma Rainiers, logging a 3–4 record and 2.93 ERA with 53 strikeouts and 16 saves in 55+1⁄3 innings pitched[8] and elected free agency following the season on November 10.

[32] He began the 2023 season with the Triple-A Scranton/Wilkes-Barre RailRiders, making 8 appearances and registering a 1.74 ERA with 7 strikeouts in 10+1⁄3 innings of work.

[45] His father, Randy, pitched for Long Beach State University and the Seattle Mariners organization, reaching Double-A.