Skyy Clark scored 22 points, Donovan Dent added 14 points and five assists, and No. 19 UCLA overwhelmed visiting Presbyterian from the opening tip en route to an 86-46 win on Friday in Los Angeles.The Bruins (5-1) opened the game on a 17-4 run with repeated attacks of the rim. The opening salvo, spanning almost eight minutes, set the tone for a night in which UCLA scored 50 points in the paint.Brandon Williams — making the start with Tyler Bilodeau held out due to a knee sprain sustained in practice — was central to UCLA establishing dominance in the interior and on the glass early.Williams grabbed four of his game-high-tying seven rebounds in the opening seven minutes. The Bruins held a 33-25 rebounding edge for the game and were leading on the offensive boards until the closing minutes, despite UCLA outshooting Presbyterian from the floor, 32 of 51 to 17 of 51.Clark led UCLA’s torrid 62.7% shooting pace, going 9 of 11 from the field. Williams went 4 of 7 on the way to 11 points, Dent shot 5 of 9 and Xavier Booker scored nine points on 3-of-4 shooting.Presbyterian (3-5) struggled to find much offensive rhythm in the finale of a five-game road trip, which included a three-game swing through California. The brightest glimmer of hope for the Blue Hose came at the end of the first half, when they held UCLA without a point for the final 4:13.