Prep boys METRO Newman Catholic 65, Rockford 48 Clear Lake 69, Clarion-Goldfield-Dows 33 IOWA ALLIANCE Marshalltown 52, Des Moines Lincoln 43 Waterloo East 91, Des Moines East 59 IOWA STAR Clarksville 66, Tripoli 48 Don Bosco 78, Riceville 61 Collins-Maxwell 69, North Tama 63 NORTH CENTRAL Humboldt 77, Algona 60 Hampton-Dumont-CAL 62, Iowa Falls-Alden 45 Fort Dodge St. Edmond 64, Webster City 56 NORTHEAST IOWA Waukon 64, New Hampton 43 Waverly-Shell Rock 73, Charles City 56 Decorah 95, Crestwood 35 TOP OF IOWA West Fork 93, Central Springs 58 Osage 55, North Butler 49 Lake Mills 83, Eagle Grove 59…