Posted By:
Joe K.These could be football or baseball. I have a photo of a Penn baseball player from 1903 wearing a similar sweater. I was especially interested in the one with the Spalding tag. One of my favorite tags and only the second example I have ever seen.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ih=019&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=290112712444&rd=1&rd=1
OH - I didn't win this, just sharing, ...too rich for my blood 
-Joe