Meet Tessie!, Wally's little sister, Tessie, is coming to Boston! Meet her for the first time at Winter Weekend!, By Boston Red Sox
Red Sox Winter Weekend at Foxwoods!, by Rick Medeiros
A heads-up to local students: It's baseball season - The Boston Globe
Wally's Clubhouse
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Wally The Green Monster & Tessie
Wally's younger sister Tessie is coming to Boston!
Red Sox Winter Weekend
Wally The Green Monster & Tessie
Tessie (@tessietgm) • Instagram photos and videos
Wally the Green Monster Has a Little Sister - Boston Magazine
Wally the Green Monster
Tessie (@tessietgm) • Instagram photos and videos
Meet Wally's little sister!, 01/04/2016
A kids' story: Wally the Green Monster And the Steal of the Century (starring Dave Roberts), by Gordon Edes