Coming up in high school sports tomorrow, the Twentynine Palms High School girls volleyball and tennis teams host the Big Bear Bears at home. Tennis starts at 3:15; volleyball at 4:30. The Wildcat cross-country team will travel to Machris Park in Yucca Valley; the first race begins at 4:30. And the Joshua Springs Christian School girls’ volleyball team travels away to Bloomington Christian; first serve is at 5 p.m.