app/models/power_ranking.rb
# == Schema Information
#
# Table name: power_rankings
#
# id :integer not null, primary key
# team_id :integer
# description :text
# rank :integer
# week :integer
# year :integer
# created_at :datetime
# updated_at :datetime
#
class PowerRanking < ActiveRecord::Base
attr_accessible :description, :rank, :week, :year
belongs_to :team
validates_presence_of :description
end