Though Arizona has moved the ball consistently – and Washington State hasn’t – the Cougars head to halftime trailing by just two scores, 14-0. Part of it has been a WSU defense that’s forced one turnover, plus a successful onside kick by the Cougars to open the game. Part of it is a right knee injury has sidelined UA quarterback Nick Foles since early in the second quarter. … This is the first time this year WSU has failed to score in the first half as Arizona’s defense has put relentless pressure on Jeff Tuel. So much, in fact, left tackle David Gonzales has been replaced by walk on Elliot Bosch, a 258-pound redshirt sophomore. … Tuel has been sacked three times, but WSU has sacked Foles and Matt Scott four times. … The halftime stats … First downs, UA 17, WSU 4; Rushing yards, UA 72, WSU 1; Passing yards, UA 179, WSU 55; Total offense, UA 251, WSU 56. … We’ll be back later with more.