Anderson enjoyed his best day of Test cricket on Friday

James Anderson played down his chances of becoming only the third bowler to take 10 wickets in a Test innings.

Anderson produced a stunning display to claim a Test-best 6-42 at Trent Bridge as New Zealand closed day two of the final Test 268 behind England at 96-6.

"I'm delighted with my performance but Saturday's another day," he said.

"If the conditions are the same and the ball's still swinging, then I might have a chance, but I don't want to think about it too much."

The 25-year-old Lancashire paceman would follow in the footsteps of Jim Laker and Anil Kumble if he were to take the remaining four Kiwi wickets.

Anderson had earlier hit his highest Test score (28) in a 76 stand with Stuart Broad, who hit a first Test fifty as England, who lead the three-match series 1-0, added 91 to reach 364.

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"They were good balls - I really enjoyed those," he said. "It looks really good when the stumps come out of the ground.

"Us bowlers spoke with Stuart and Ryan (Sidebottom) before play, and they said that the wickets that have been taken here this season have been taken with fuller balls, so we looked to bowl full."

The 21-year-old Broad, playing on his home ground, was also pleased to bag his highest Test score, making 64 before being bowled by Chris Martin.

He said: "It's a start. I'm delighted to get 60 and hopefully there's more runs in the bank.

"This is a ground where it's swung most of the year, so we're very pleased with that.

"The way Jimmy has bowled has been fantastic - for him to get two personal bests in one day is brilliant."

New Zealand's top scorer Jamie How tried to remain upbeat despite a difficult day for his side.

"There's a lot of work to do, but the changing room is still positive and we're looking forward to Saturday," he said.

"We're only a couple of partnerships away from getting close to their score."