Derek Jeter holds the record for most career games played in the postseason with 138.
As of the start of the 2007 postseason, Bernie Williams had played the most postseason games in MLB history with 121. However, Derek Jeter had played 119 games in the postseason and, barring injury, will pass Williams for the #1 spot if he plays 3 games in the 2007 postseason.
Bernie Williams , 121 games.
if you need postseason in a sentence then you would use it like this: in baseball there is all ways a postseason.
Through game 1 of the 2010 playoffs, Derek Jeterhas made the most postseason appearances. He has played in 139 games.
Barry Bonds played in 48 career postseason games.
Manny Ramirez has the most career postseason home runs with 29.
Chipper Jones has the most career postseason games played for a National League player with 92.
Manny Ramirez is the top active non-Yankees player with the most postseason appearances with 111 games played.
Andy Pettitte has the most career postseason wins with 18.