The Rio Grande Valley Vipers were outscored 21-5 in the first five minutes of the fourth quarter as the top-seeded Iowa Energy won their first NBA Development League Championship with a 119-111 victory in Game 3 of the best of three Finals Friday at Wells Fargo Arena. Hannah led the Energy with 31 points, eight rebounds, three assists and three steals, while Michael Haynes had 21 points, eight rebounds and four steals.