Sick of spirit spots? Done with uniform updates? Ready for some football? For college gridiron die-hards and once-a-year big-game watchers alike, here’s what you need to know entering Saturday’s Army-Navy showdown. Who, where, when: Navy (7-4) vs. Army (2-9), Saturday, 3 p.m. Eastern, Lincoln Financial Field in Philadelphia. Weather: Accuweather.com says to think spring — a few pregame showers, with temperatures approaching 60. Quick history: It’s the 113th meeting between the teams. Navy leads the series 56-49-7 and has won 10 straight, most in series history. Army’s last win came in Philadelphia in 2001 in Veterans Stadium, which no longer…