The last page of the Unitas article contains a home movie camera ad that features Boog Powell. Kind of neat, but a even better ad comes later.
And what do you know? The main baseball article was about Earl Weaver and the Orioles. Coming off the AL title winning team of 1971 the O's finished third in the AL East. They bounced back with a 97 win season in '73 and the featured players in this article were a big part of that.
Check out the articles listed on the contents page of this SI....chess, rowing, bridge, body building. But if you read SI back then that isn't unusual.