The following is a listing of all 30 current Major League Baseball (MLB) teams ranked by win - loss record percentage, accurate as of the end of the August 26th, 2018. The records do not count wins and losses recorded by a team 's playing time in the National Association of Professional Base Ball Players (NAPP). Counting MLB statistics, the New York Yankees have the highest win - loss record percentage, with. 569. The San Diego Padres have the lowest win - loss record percentage, with. 461. The San Francisco Giants and Tampa Bay Rays have recorded the most and least overall wins, with 11,080 and 1,570, respectively. The Chicago Cubs lead the association with the most played games, with 21,351. Conversely, the Rays have played the fewest overall games, with 3,369.
who has the most wins all time in mlb
San Francisco Giants