Related Clues:

• First event in a series
• First game of the season
• One up
• Batter
• Key, e.g.
• Bat man?
• Game one
• First game of a doubleheader
• Curtain raiser
• He may swing from the heels
• One who says 'one club,' e.g.
• One trying to run from home
• First in a series
• First bid
• Eye or can follower