http://mlb.mlb.com/news/article.jsp?ymd=20120229&content_id=26927024&vkey=news_mlb&c_id=mlb Addition of Wild Card berths formalized for 2012 The expansion of Major League Baseball's playoffs with the addition of two Wild Card teams and a play-in game in each league will begin this year. An agreement between MLB and the Players Association, finalized on Friday, adds a second Wild Card in each league, making for a postseason field of 10. The three division winners in each league will await the survivor of a one-game playoff between the Wild Card teams in each league, establishing the Division Series field of four teams in each league. The subsequent Division Series, League Championship Series and World Series formats will remain the same. For the 2012 postseason only, the five-game Division Series will begin with two home games for lower seeds, followed by up to three home games for higher seeds. This one-year change will eliminate a travel day prior to a decisive Game 5 of a Division Series and was necessary because the 2012 regular-season schedule was announced before the agreement on the new postseason was reached Next year, the Division Series will return to the 2-2-1 format used in previous years. Details on the scheduling of the new elimination games between each League's Wild Cards will be announced in the near future. Adding Wild Card teams this year created a logistical issue: The regular season is scheduled to end on Wednesday, Oct. 3, leaving two days for travel, weather problems, possible season-ending tiebreakers to decide division titles and Wild Card berths and the Wild Card play-in games prior to the start of the Division Series on Saturday, Oct. 6. The World Series is scheduled to begin on Wednesday, Oct. 24. The additional Wild Cards will place a premium on winning a division title. Division winners will get at least two days of rest before the start of the Division Series, while the Wild Card teams will possibly have to use their best pitchers to win a play-in game. "It used to be if a team had the Wild Card locked up, they could start setting their rotation for the playoffs," said the Rangers' Michael Young, whose team has won the AL West the past two seasons. "Now you have to do everything you can to win the division. You're in; you don't have to play a win-or-go-home game." The new format was agreed upon last year in the new five-year Basic Agreement between the owners and the players, to start by 2013 at the latest. The two sides then had two months to negotiate the logistics of beginning it a year early. This season's schedule was long set before collective bargaining ended with a new agreement on Nov. 21. MLB had been studying how to expand the playoffs for at least two years, and it became a topic of discussion among Commissioner Bud Selig's 14-member committee that has been studying on-field improvements of the sport. Last season, the eventual World Series-champion Cardinals made the playoffs by winning the NL Wild Card berth on the final day of the regular season. Had there been the additional Wild Card berths, the Cardinals instead would have had to play the Braves in a one-game playoff to gain entry into the Division Series. "Everybody remembers that day 162 last year and how exciting that was," said St. Louis manager Mike Matheny, a coach in the Cardinals system last season. "Anything you throw the fans at this point, we all see the benefit of how the Wild Card played out. There were a lot of people against it at the time and it proved to make some very meaningful games for some teams who otherwise wouldn't have had anything going on. I think they're making some good decisions. The decisions they've made in the past have proven to be right. It will be fun to watch how it all plays out." The expanded playoffs were linked to the sale of the Astros by Drayton McLane to Houston businessman Jim Crane and the team's move from the NL to the AL, effective for the 2013 season. The Astros' shift from the NL Central to the AL West will give each league 15 teams and all six divisions five clubs. The playoff and realignment matters had to be collectively bargained because they involved scheduling, and the union wanted any playoff expansion to be tied to moving a team from the six-team NL Central to the four-team AL West to create better competitive balance. Michael Weiner, the union's executive director, ultimately said that playoff expansion wouldn't have happened without the Astros' move to the AL. The previous format featuring three division winners and a Wild Card from each league was adopted in 1994 but wasn't actually used until the following year because a players' strike led to the cancellation of the '94 postseason. From 1969-93, there were two divisions in each league and a League Championship Series between the first-place teams as a prelude to the World Series. Prior to 1969, only the pennant winners, the first-place teams in each league, met in the World Series. Barry M. Bloom is national reporter for MLB.com and writes an MLBlog, Boomskie on Baseball. Follow @boomskie on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.