Related Clues:

• Highway rigs
• Tractor trailers
• Tourney starters
• Road runners
• Huge haulers
• Highway haulers
• Long haulers
• Final Four matchups
• Grad school hurdle
• Final preceders
• Early heats
• They're in it for the long haul
• They usually leave two when they're done
• Convoy trucks
• Key Wimbledon matches