TRI CITY — The South Umpqua boys had no answer for Sutherlin’s second-half trapping zone, which caused 14 turnovers and led to a 16-point half for the Lancers in Friday’s Far West League basketball game. The Bulldogs evened the league series with a 48-39 win on S.U.’s home court, avenging a 60-55 loss to the Lancers on Jan. 11 in Sutherlin. “We came out in our zone tonight, and I don’t think they were expecting it,” Sutherlin coach Tony Martineau said. “I think that really threw them off-guard.” Sutherlin improved to 14-7 overall and 4-3 in Far West play, while …