Earl Battey started at catcher in the first ever Twins regular season game on April 11, 1961.
The Twins first regular season game in the Metrodome was April 6, 1982 against the Seattle Mariners. The Twins lost that game 11-7.
The first baseball game in the Metrodome was an exhibition game, played April 3, 1982, between the Twins and the Philadelphia Phillies. Kent Hrbek of the Twins hit the first home run in that game and, therefore, the first home run in Metrodome history. The first regular season baseball game played in the Metrodome was April 6, 1982 between the Twins and Seattle Mariners. The first home run hit in that game was by Dave Engle of the Twins and, therefore, is the first home run hit in a regular season game in Metrodome history.
In the regular season, Bob Allison.Allison hit the first home run in Twins regular season history in the 7th inning of their first ever regular season game (April 11, 1961) against the New York Yankees at Yankee Stadium.
The Minnesota Twins played indoors until April 12th, 2010, when they played they're first regular season game at their new home, Target Field.
The Royals first regular season game in KC was April 8, 1969 against the Minnesota Twins. The Royals won 4-3.
In 2011, the Steelers first regular season game was on September 11th.
Washington beat the Miami Dolphins, 16-13 in overtime, in the first regular season game of 2007.
colts
In the 1999 regular season, that was CB Tyronne Drakeford on a 19 yard fumble return in the first quarter of the Saints' first regular season game.
In 2010, the Yankees first regular season game was on Sunday, April 4th. The Boston Red Sox defeated the Yankees, 9-7.
The first regular-season game of the 2010 season will be Thursday, September 9, 2010; the Vikings at the Saints. (8:30pm Eastern time, on NBC.)