Prior to Opening Day, the teams' managers have to decide the starting pitchers for the game, an assignment typically given to the ace of each team's staff. For a pitcher to start on Opening Day is considered an honor, regardless of whether they are on the home or visiting team.
In the days leading up to the first game, team managers must decide which pitchers will take the field, typically assigning the top performer from each team's roster. Being chosen to start on Opening Day is considered a prestigious distinction, regardless of whether the pitcher represents their home or away team.