**Four teams are in the running to end the weekend at the top of the United Rugby Championship, with Round 12 promising a thrilling three days of action.** The lead could change hands multiple times, with fourth-placed Edinburgh travelling to Munster on Friday, before Leinster in second host the Ospreys and Glasgow Warriors welcome Benetton on Saturday. Current leaders Ulster head to Newport to face the Dragons on Sunday, while the weekend's other fixture sees Connacht travel to Llanelli to take on the Scarlets on Saturday. Here are five things to know ahead of the matches.
