WINSTON — Danny Medak had another monster game and the Umpqua Valley Christian boys basketball team routed Powers, 69-26, Saturday night in Skyline League play. Medak, a 6-foot-7 senior post, racked up 25 points and 22 rebounds, 11 of which were tallied on the offensive end, to go with three assists. Medak has finished with a double-double in every one of the Monarchs’ games this season. Joel Graham added 18 points for UVC (7-5, 2-1). Devin Mackenson scored a team-best 10 points for Powers (4-9, 0-4). The Monarchs caused 25 turnovers in the game. POWERS (26) — Devin Mackensen 10, …