Yes, many times. There has never been a team in Baseball that won every regular season series they played throughout the year.
The Yankees opened the 2010 season with 5 straight season series wins. The Yankees defeated the Red Sox, Rays, Angels, Rangers and Athletics. They lost to the Angels in their sixth series of the season.
The 2009 New York Yankees won 103 Regular season games.
Through the 2010 regular season, 0-1 in the regular season and 0-1 in the World Series.
In 2007, the Yankees won the season series against the Indians 6 games to 0.
The Yankees won 114 regular season games in 1998.
The most games won in a regular season by the Yankees was 114 games. In the 1998 season the Yankees record was 114-48.
114-48 in the 1998 season. They went on to win the World Series that season.
The 1939 Yankees had 106 regular season wins.
The New York Yankees had 95 regular season wins in 2001.
In 2012, the Yankees ended the regular season with a 95-67 record.
The most regular season home runs hit by a team that won the World Series is 240 by the 1961 New York Yankees.
The 2009 New York Yankees won 103 games.