As college football continues its high-octane, throw-it-all-over-the-field evolution, Cal Poly’s triple-option offense offers a rare, throwback look for modern defenses. Sixth-ranked Eastern Washington (2-1), which opens Big Sky Conference play Saturday against the Mustangs at 1:05 p.m. at Roos Field, has had the chore of preparing for the run-it-all-day scheme, just days after trying to slow down a vastly different foe – Washington State and its Air Raid offense.