Related Clues:

• Dorothy, for the Tin Man
• Spill source, perhaps
• Crude transport
• Titan, formerly
• NFLer now a Titan
• Wayne Gretzky, until 1988
• Gulf sight
• Edmonton player on ice
• Persian Gulf craft
• Fuel deliverer
• Gulf vessel
• Arrival at a refinery
• Wayne Gretzky, early on
• Former Houston player
• Houston athlete, once