WWE SummerSlam Night 2 results, grades, analysis: Roman Reigns vanquishes Seth Rollins in instant classic; 3 new champs crowned

Key Points:

• WWE SummerSlam Night 2 featured three title changes, including Chelsea Green winning the WWE Women's Championship in a surprise ladder match victory, marking her first world title run on an interim basis.
• Kevin Owens made a highly anticipated return, winning a No. 1 contender match for the Undisputed WWE Championship, setting up a future bout with CM Punk.
• Roman Reigns retained the World Heavyweight Championship in a 33-minute epic main event against Seth Rollins, concluding a decade-long rivalry with a respectful moment between the former Shield members.
• Baron Corbin captured the United States Championship from Trick Williams, and Chad Gable won the Intercontinental Championship by defeating Penta, both signaling shifts in the midcard title scenes.
• Danhausen defeated Dominik Mysterio in a "Human Monies on a Pole" match, continuing his undefeated streak and entertaining fans with his unique match style and interference-heavy formula.