243a0200_ne_Arena_Strategy___Blue_is_Me__Advantages
[Name] Goliath [Disadvantages] Weak against immortals, hydras/brutalisks and cracklings, and temple zealot. [Advantages] 
Great anti-air units. Good at taking care of armored units such as stalkers, devil dogs and beetles and other goliaths. Can attack ground and air (at same time with upgrade).
Starcraft 2: Marine Arena Strategy | Blue is Me
Advantages