Illustration of an ice hockey formation in the 1910s seven man game with one goalkeeper, two defensemen and four forwards (including a middle-laying rover)
Mack
<a rel="nofollow" class="external text" href="https://www.newspapers.com/clip/67065988/american-vs-canadian-style-trafford/">Boston Globe</a> Jan. 30, 1912 (pg. 7)