The phrase "a sluggish performance in" is correct and usable in written English.
It can be used to describe a situation where someone or something is not performing well or is slow in a particular context or area.
Example: "The team delivered a sluggish performance in the final match, leading to their defeat."
Alternatives: "a lackluster performance in" or "an underwhelming performance in".
The unit helped offset a sluggish performance in the firm's equities unit, which has been hampered by the country's struggling stock market.
They obviously need an infusion of offense after a sluggish performance in the World Series, so they could follow the same aggressive pattern as they did with Mussina and pursue the 30-year-old Giambi.
If nothing else, the win might answer some questions that have lingered from a sluggish performance in the West Coast Conference tournament final earlier this month.
After a sluggish performance against Georgetown in a 69-49 loss Wednesday in the second round of the Big East tournament, the Bulls will be going home with fresh suits for the National Invitation Tournament.
Ruth Riley scored 36 points and grabbed 12 rebounds to lead Notre Dame through a sometimes sluggish performance in beating Miami, 83-68, on last night, extending the nation's longest winning streak to 20 games.
That Maryna never phones in a sluggish performance, never even flubs a line, is hard to believe, but then belief may not be the point.
But after Cone allowed three runs on seven hits and five walks in a sluggish performance, Torre said that Cone had shown progress and that he would get another start.
"This has led to the retailer enjoying a boost in sales of tablets, white goods and core electricals which, with electricals making up around half of Argos's sales, has helped to offset an ongoing sluggish performance in [the home division]," said retail analysts Conlumino.
Kauto Star had been off the track for six months following a poor run at Punchestown in May, such a sluggish performance that many were surprised to see him return to a track at all.
With a sluggish performance, the Yankees were beaten by the dynamic Rays, 7-1, thekedked out a 6-5 vinthey in the second game of a grueling doubleheader.
