162 regular season games.
They would lose a third of their games, which would be a total of 54 games.
34 games a season
Every team plays 81 home and 81 away games each regular season.
A Major League Baseball baseball team plays a regular season of 162 games. Of course, more games are played when a team competes in the play-offs leading to the World Series championship.
Every team, including the Colorado Rockies, plays 81 home games and 81 away games making for a 162 game season.
The Yankees, like every other Major League Baseball team, play 162 games during the regular season.