How Good Are The Fighting Type Mega Evolutions? (v1.6)

Physical attack is the bread and butter of all fighting types but these mega evolution take that power to the next level. Here in Emerald elite redux (1.6) These mega Pokémon have been given 4 abilites at once and are destructive monsters. I will be going over each of them in order of worst to best. Almost like a top 10 ranking. Which of them is the most viable?