Lakers coach Phil Jackson won’t join the team for its game Friday night in Portland. He has pain and swelling in his lower right leg caused by plantar fascitis, the Lakers announced within in the last few minutes. Jackson will coach tonight’s game against the Denver Nuggets at Staples Center, but assistant Kurt Rambis will take over for Jackson on Friday. Jackson missed the Lakers’ first exhibition game Oct. 7 for the same reasons. The Lakers expect Jackson to conduct Saturday’s practice and to coach the final two regular-season games. The Lakers face Memphis on Sunday and Utah on Tuesday.