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Boston Red Sox - Wikipedia
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QMH: Getting Down to the Nitty Gritty on Mascots - University of Pennsylvania Athletics
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Wally The Green Monster & Tessie
![Boston Red Sox unveil new mascot: Tessie the Green Monster, little sister of Wally](https://townsquare.media/site/518/files/2016/01/Tessie.png?w=1200&h=0&zc=1&s=0&a=t&q=89)
A New Boston Red Sox Mascot Will Tag Along With Wally The Green Monster This Season
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Boston Red Sox introduce Wally's little sister, Tessie
![Boston Red Sox unveil new mascot: Tessie the Green Monster, little sister of Wally](https://i.ytimg.com/vi/OuyEYijj3ac/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLBAAIVKr04Q5pmvY0dwkL352e2b_w)
Wally The Green Monster & Tessie
![Boston Red Sox unveil new mascot: Tessie the Green Monster, little sister of Wally](https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Clark-the-Cub-01.jpg/220px-Clark-the-Cub-01.jpg)
List of Major League Baseball mascots - Wikipedia
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List of Major League Baseball mascots - Wikiwand
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Meet Tessie!, Wally's little sister, Tessie, is coming to Boston! Meet her for the first time at Winter Weekend!, By Boston Red Sox
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2018 BOS Media Guide, PDF, Fenway Park
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2018 Topps Opening Day - Mascots - Cards 1-25 - U Pick Complete Your Set - Mint