(Via Steve Mandich):

“Nice update on the Mercer Arena from Wednesday’s Nooze, though according to Jeff Obermeyer’s cool Arcadia book Hockey in Seattle, the Mets actually played at the Ice Arena at Fifth and University from 1915 to 1924. The Mercer Arena (nee Civic Arena) didn’t open ’til 1927. Here’s more from Obermeyer’s site.”