Ted Williams has the highest career slugging percentage by a player younger than 26 when making >2,000 plate appearances, with a slugging percentage of .642.
The Cleveland Indians had a record of 33-49 in the AL between November 12, 2008 and July 4, 2009.
Joe Medwick has gotten the most career doubles by a player younger than 26, with 258 doubles.
Since 2018, Eugenio Suárez has the most strikeouts, with 1,155 strikeouts.
The Boston Red Sox were 52-37 in the AL between November 12, 2007 and July 4, 2008.
Juan Soto has the most career bases on balls by a player younger than 26 when making >2,000 plate appearances, with 769 bases on balls.
Since 2018, Eugenio Suárez has the most strikeouts, with 1,155 strikeouts.
Ted Williams has the highest career on-base percentage by a player younger than 26 when making >2,000 plate appearances, with an on-base percentage of .481.
50 players are tied for the highest career on-base percentage by a player younger than 26, with an on-base percentage of 1.000. The first three are Justin Bruihl, Gregory Soto and Taylor Clarke.
The New York Mets have a record of 282-362 against the Dodgers all-time.