A timeline of artificial turf use in Major League Baseball:

1966 - 1 of 20 stadiums have turf - Added to Houston's Astrodome.

1969 - 2 of 24 - Added to Chicago's Comiskey Park infield.

1970 - 6 of 24 - Added to San Francisco's Candlestick Park and St. Louis' Busch Stadium. Installed in Cincinnati's new Riverfront Stadium and Pittsburgh's new Three Rivers Stadium.

1971 - 7 of 24 - Installed in Philadelphia's new Veterans Stadium.

1973 - 8 of 24 - Installed in Kansas City's new Royals Stadium.

1977 - 10 of 26 - Installed in Montreal's new Olympic Stadium. Seattle's Kingdome and Toronto's Exhibition Stadium join AL as expansion stadiums with artificial turf. Removed from Comiskey Park.

1979 - 9 of 26 - Removed from Candlestick Park.

1982 - 10 of 26 - Installed in Minnesota's new Metrodome.

1995 - 9 of 28 - Removed from Kansas City's Kaufmann Stadium.

1996 - 8 of 28 - Removed from Busch Stadium.

1998 - 9 of 30 - Tampa Bay, playing at Tropicana Field, joins AL as expansion stadium with artificial turf.

1999 - 8 of 30 - Seattle moves to Safeco Field.

2000 - 7 of 30 - Houston moves to The Ballpark at Union Station.

2001 - 5 of 30 - Removed from Cincinnati's Cinergy Field. Pittsburgh moves to PNC Park.

2004 - 4 of 30 - Philadelphia moves to Citizens Bank Park.

2005 - 3 of 30 - Montreal moves to Washington's RFK Stadium.

2010 - 2 of 30 - Minnesota moves to Target Field.Copyright © 2005 The Associated Press. All rights reserved. The information contained in the AP News report may not be published, broadcast, rewritten or redistributed without the prior written authority of The Associated Press.