Jason Giambi

New York Yankees who reached base 300 times in a season
Babe Ruth … Nine times
Lou Gehrig … Nine times
Mickey Mantle … Twice (1956, 1957)
Derek Jeter … 1999
Bernie Williams … 1999
Jason Giambi … 2002
Alex Rodriguez … 2005

Players who reached base 300 times for two different teams
Billy Hamilton … Philadelphia Phillies (1894-95), Boston Beaneaters (1896)
Tris Speaker … Boston Red Sox (1912), Cleveland Indians (1920, 1923)
Rogers Hornsby … St. Louis Cardinals (1921-22, 1924), Chicago Cubs (1929)
Jimmie Foxx … Philadelphia A’s (1932-33), Boston Red Sox (1936, 1938)
Pete Rose … Cincinnati Reds (1969, 1973, 1975-76), Philadelphia Phillies (1979)
John Olerud … Toronto Blue Jays (1993), New York Mets (1999)
Jason Giambi … Oakland A’s (2000-01), New York Yankees (2002)