When the Jacksonville Jaguars and Buffalo Bills face off this Sunday, perhaps only their loyal fans will care about the score.<br />The rest will be watching to see if Yahoo!<br />Inc. makes a compelling case that football can be just as good online as it is on TV.<br />The company paid about $17 million for the rights to stream the game around the world from London at 9:30 a.m. New York time, according to a person familiar with the terms.<br />Yahoo has something to prove, namely that it can successfully stream the nation's most popular sport to a global audience without the delays and disruptions that have come to characterize so much of live online viewing.