What is the fine-grained topic of the following text: This past June, the Tacoma Rainiers brought reindeer mascot Rhubarb and local icon “Epic Sax Gorilla” up onto the roof of Cheney Stadium, where the Triple-A club plays, for a routine crowd-pleasing stunt. Only return the topic.
Tacoma Rainiers' reindeer mascot and "Epic Sax Gorilla" stadium stunt.