CHICAGO — It?ll be the Leaders vs. the Legends divisions when the Big Ten stages its first football championship game next season. The conference also on Monday unveiled a new logo — it is a block “Big Ten” with the numeral 10 embedded in the word last two letters of Big — as well as two-person trophy names for 18 new football awards, including the Stagg-Paterno Championship Trophy and the Hayes-Schembechler Coach of the Year.