Kent completed a quickfire one-day double over Warwickshire with a 22-run NatWest Pro40 victory at Edgbaston.

Eleven days after giving the Bears a thumping in the Twenty20 quarter-finals, Rob Key's side returned to Birmingham to launch their Pro40 campaign in similar style.

Key's 80 underpinned their total of 228 for eight. Warwickshire's reply never took off with only Jonathan Trott - 91 not out from 103 balls - offering any sustained resistance as they mustered only 206 for nine.

Kent chose to bat but soon lost Joe Denly, bowled second ball, by Chris Woakes. Key should already have been back in the pavilion.

Still to score, he would have been run out by miles had Jim Troughton's throw hit.

Troughton missed and Warwickshire were soon regretting it as Key and Martin van Jaarsveld added 82 in 14 overs.

Van Jaarsveld was in glorious form. He struck 49 from 47 balls, including seven fours and a six, and it was a big surprise when he perished, lifting a drive at Neil Carter to Ian Salisbury at extra cover.

Salisbury then struck with his first ball, trapping Yasir Arafat lbw, but Key found another valuable partner in Matthew Walker.

The fourth-wicket pair put on 76 in 11 overs and, at 193 for three in the 32nd over, an imposing total beckoned before Warwickshire hit back with four wickets in three overs.

Key, having struck 80 from 83 balls with seven fours and a six, fell lbw to Maddy. Three balls later, Walker, on 43, was run out by Ant Botha's direct hit.

Azhar Mahmood clipped Maddy to mid-wicket and, after Justin Kemp fatally edged Salisbury, the innings had lost all momentum. Just 21 runs came from the last seven overs.

In reply, Warwickshire soon lost Neil Carter and Jim Troughton who edged outswingers to wicketkeeper Geraint Jones.

Trott and Maddy added 58 in 14 overs but the captain's dismissal triggered a flurry of wickets.

Maddy edged Simon Cook, Tony Frost fell lbw, playing across the line, to the same bowler and then Luke Parker gave James Tredwell the charge and presented Jones with a simple stumping.

Botha became Jones' fifth victim and Trott and Tim Groenewald's seventh-wicket stand of 58 in 10 overs was much too little much too late. Azhar Mahmood rounded off the rout with some terrific death bowling which did for Groenewald, Ian Salisbury and Chris Woakes and left him with four for 29 .

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