By Jimmy Gillispie PLEASANT HILL — In a game where possessions came at a premium, the Roosters took advantage of their of opportunities and kept Clinton scoreless in the second half of Friday’s home victory. The Roosters rallied from a halftime deficit to win their homecoming contest. They won 21-10, avenging last year’s 21-14 loss. It was the Roosters’ third-straight win. “I told people this all week after watching film, I think (Clinton) is good, but they lack a lot of dept