Doucouré vs Richarlison

Which one to get? Both seem to be a hit or miss but for some reason Doucouré seems to get much more bps than Richarlison, he has 5 more points from bps so far. Anyone who watch Watford games can tell me why this is and who you think I should get? Which one is more attacking and gets more chances. Also, keep in mind Doucouré is a whole mill cheaper so you could use that to upgrade a defender. kuni khar e sag?