Possible Clues:

• N.L. Central team, on scoreboards
• Ken Griffey Jr.'s team, on the scoreboard
• The Reds, on a scoreboard
• The Reds, on the scoreboard
• The Reds' city, to Amtrak
• Contribute
• N.L. Central city
• The Big Red Machine, on scoreboards
• Fraternity letter
• 1975-'76 World Series champs, on scoreboards