Related Clues:

• Wrigley Field feature
• What 'little lambs' eat
• It covers a lot of ground
• Climber
• Wall climber
• League leader?
• Yale, for one
• It may climb the walls
• Type of league
• What little lambs eat
• What 'little lambs eat'
• Ivy, e.g.
• Ornamental climber
• Living wall climber
• It's creepy