a mistake, as the AAFC's Colts folded after one season in the NFL, bringing the league back to an even 12 teams. However, the aforementioned Dallas Texans also folded after only one season, and a replacement team also named the Colts acquired its assets joined the league as an expansion team in 1953. Meanwhile, the popularity of the original Bills franchise prompted former Detroit Lions minority owner Ralph Wilson to adopt the name "Buffalo Bills" for his American Football League franchise ten years after the AAFC dissolved. Both the replacement Colts (now based in Indianapolis) and the replacement Bills are still playing in the NFL, though neither maintains official ties to their namesakes (coincidentally, the Colts and Bills were division rivals in the AFC East from 1970 through 2001, after which the Colts moved to the AFC South). Remarkably, although the NFL absorbed the AAFC, the AAFC actually had better average attendance. Aftermath "The World Series of Pro Football" After winning each of their titles, the Browns challenged the NFL champion to an interleague championship. Each year the NFL refused. (Of course, by playing such a game the NFL would legitimize the AAFC and risk more prestige.) In December 1949, with both leagues financially exhausted but now at peace, a profitable interleague playoff was now both possible and desirable. Although Pittsburgh's Art Rooney, whose Steelers were among the shakiest NFL franchises, publicly advocated such a game, most of the NFL was unwilling to risk defeat at the hands of their vanquished, supposedly inferior rival. Officially, however, commissioner Bert Bell maintained that the NFL constitution barred such a game. The football world would have to wait to see how the Browns matched up against the NFL's best. All would not be lost for fans, however. Bell appreciated that the Browns were now an important asset to the NFL, and scheduled a special Saturday night game between them and the NFL's two-time champion Philadelphia Eagles to open the 1950 season. While not quite an unofficial interleague playoff, what took place on September 16, 1950, was no ordinary regular season game. The defending champions of two leagues that had never met on the field were about to play, foreshadowing tensions present in the early Super Bowls of the 1960s. At last the Browns would have the chance to prove themselves, and by extension the AAFC, against the NFL. There was tremendous anticipation from