Mariano Rivera surpassed Trevor Hoffman to become Major League Baseball's all-time career leader in saves.

Mariano Rivera is a Panamanian-American former professional baseball pitcher who played 19 seasons in Major League Baseball (MLB) for the New York Yankees, from 1995 to 2013. Nicknamed "Mo" and "Sandman", he spent most of his career as a relief pitcher and served as the Yankees' closer for 17 seasons. A thirteen-time All-Star and five-time World Series champion, he is MLB's career leader in saves (652) and games finished (952). Rivera won five American League (AL) Rolaids Relief Man Awards and three Delivery Man of the Year Awards, and he finished in the top three in voting for the AL Cy Young Award four times. In 2019, he was inducted into the Baseball Hall of Fame in his first year of eligibility, and is to date the only player ever to be elected unanimously by the Baseball Writers' Association of America (BBWAA).

Trevor William Hoffman is an American former professional baseball pitcher who played 18 years in Major League Baseball (MLB) from 1993 to 2010. A long-time closer, he pitched for the Florida Marlins, San Diego Padres, and Milwaukee Brewers, including more than 15 years for the Padres. Hoffman was the major leagues' first player to reach the 500- and 600-save milestones, and was the all-time saves leader from 2006 until 2011. The National League (NL) leader in career saves, he was inducted into the Baseball Hall of Fame in 2018. Hoffman currently serves as senior advisor for baseball operations for the Padres.

Major League Baseball (MLB) is a professional baseball league in North America composed of 30 teams, divided equally between the National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB is one of the major professional sports leagues in the United States and Canada and is considered the premier professional baseball league in the world. Each team plays 162 games per season, with Opening Day held during the last week of March. Six teams in each league then advance to a four-round postseason tournament in October, culminating in the World Series, a best-of-seven championship series between the two league champions first played in 1903. MLB is headquartered in Midtown Manhattan.