Louis Ludik says Glasgow will punish Ulster mistakes in Pro12 contest
Louis Ludik admits Ulster will have to be at their best to avoid another defeat against Glasgow in Scotland in Friday's Pro12 fixture.
Glasgow have won the Pro12 fixture in Scotland over the past five seasons.
"They have got brilliant coaches and have an awesome structure at the club," said Ulster's South African back.
"There are not a lot of weaknesses in their side."