Dundee United are sweating over the fitness of Lachie Rose and Bert Esselink ahead of the Tangerines’ trip to face Hearts on Sunday. And United manager Jim Goodwin has confirmed that player is suffering from some lingering discomfort in his groin. Meanwhile, Bert Esselink was replaced by Iurie Iovu on the hour-mark after taking a bang to the knee. “Bert had an excellent game against Rangers – both he and Michael Forbes were very good,” continued Goodwin. “I think the change of system and the way we’re trying to play, in terms of building from the back.