A late try from Brad Barritt has earned Saracens a 19-17 win at Gloucester.
Freddie Burns kicked the home side into a 14th-minute lead with a penalty, before Olly Morgan's try stretched their lead to 8-0.
Charlie Hodgson reduced the deficit for the away side on 35 minutes with a penalty of his own, but Burns kicked over the posts again to make the half-time score 11-3 to Gloucester.
Owen Farrell scored a penalty soon after the interval to get Sarries back in the match before another penalty on 54 minutes made the score 11-9.
Two more kicks from Tim Taylor gave Gloucester a 17-9 lead, but another Farrell kick got Saracens back in contention.
The visitors took the lead for the first time in the match on 75 minutes when Barritt touched down, with Farrell successfully kicking the extras.