The phrase "defensive frailties" refers to weaknesses or vulnerabilities in a team's defense in sports, especially when they struggle to prevent the opposing team from scoring goals or points. Full definition
Napoli's attacking prowess has not come at the cost of defensive frailty. (thehardtackle.com)
Those odds are commensurate with our performances this season, but don't perhaps reflect Liverpool's defensive frailties in their games played away from Anfield. (westhamway.net)
It was Liverpool's first Champions League game since 2014, and defensive frailties again came to haunt the Reds as Spanish side Sevilla, on paper their only real opponents for top spot in what otherwise seems to be an easy group, came away with a draw from Anfield. (lfczone.com)