Scarlets head coach Wayne Pivac will succeed Warren Gatland after the 2019 World Cup.
Henderson has been in fantastic form of late, scoring a pair of tries in Ulster's Heineken Champions Cup win over Scarlets on Friday.
Iain Henderson bustled and hustled his way to a try in each half as Ulster barnstormed to a bonus-point victory over Scarlets to keep their Heineken Champions Cup qualifying hopes very much alive.
Ulster and Exeter Chiefs enhanced their chances of qualifying for quarter-finals of Europe's premier club rugby competition on Friday. Iain Henderson scored a try in each half as Ulster...
Ulster will look to take a giant leap towards the knockout stages in Belfast tonight as they look to complete back-to-back victories over Scarlets.