The second-rated Yankton Bucks basketball team held off fourth-ranked Sioux Falls Roosevelt 51-46 last night at the Summit Activities Center.  Junior Jaden Kral paced the Bucks with 19 points and 8 rebounds, and he hit 9 of 12 shots from the field.  Senior Matthew Mors added 18 points, 10 rebounds, 3 assists, and 5 blocked shots.  Yankton is 11-2 overall with a game at Pierre tomorrow.