It has long been said that England have an over-reliance upon James Anderson, but at what point does it become a major concern?
Steven Finn filled his boots in cleaning up the New Zealand tail with four late wickets on day three at Lord's, but it continues to be Anderson or no one when it comes to the big early wickets.
Stuart Broad struggled through 21 overs for the solitary - albeit hugely valuable - scalp of Brendon McCullum, and he went at three runs per over, while Finn's economy rate was a less than auspicious 4.20.
Anderson's, as is usually the case, was under two runs per over, and his meagre economy rate was over 24 overs. This was not the plan Andy Flower had in mind when he suggested that England's strike bowler would be eased through the series with back-to-back Ashes series to follow later in the year.
Day two was all about Anderson taking his 300th Test wicket - an incredible achievement by anyone's reckoning - and it was swiftly followed by the 30-year-old's exploits of taking yet another five-wicket haul at Lord's on day three.
It was the fourth time that Anderson got his name on the honours board at the Home of Cricket, and the 13th occasion that he has reached the landmark in Tests.
It was also his third 'Michelle Pfeiffer' against New Zealand - more than against any other side.
Bob Willis has 16 Test match five-wicket hauls to his name, with Fred Trueman having had 17, to put Anderson's achievement in some context.
One thing is for sure: Anderson is utterly indispensable for England as they look ahead to the challenges to come in what is a huge remainder of the year.
It is time for the other bowlers to shoulder some of the responsibility.
Anderson's five-wicket haul in pictures...
FIRST WICKET - Anderson has Hamish Rutherford caught by Cook
SECOND WICKET - Anderson has Peter Fulton caught at slip by Swann...
...It is his 300th Test wicket
THIRD WICKET - Ross Taylor is trapped lbw by Anderson
FOURTH WICKET - Kane Williamson is caught behind off Anderson
FIFTH WICKET - Anderson clean bowls Bruce Martin for his five-wicket haul
ANDERSON'S FIGURES - 24 overs, 11 maidens, 5-47, 1.95 economy rate
- Sports & Recreation