Yorkshire will be without all-rounder Richard Pyrah for around six weeks after he broke his left hand against Kent.
Gareth Andrew's heroics with bat and ball failed to save Worcestershire from a two-run loss to Yorkshire.
Nottinghamshire claimed a stunning win at Headingley, bowling out Yorkshire for 86 in pursuit of 145.
Yorkshire skipper Andrew Gale is one of 11 players to commit their futures to the White Rose county.
Herschelle Gibbs hit 76 from 39 balls to help Yorkshire to a nine-wicket win over Durham.
Richard Pyrah's 42 not out guided Yorkshire to a thrilling two-wicket success against Durham.
Richard Pyrah is committed to Yorkshire until the end of the 2010 season after inking a contract extension.
Andrew Strauss says the 50-over format has showcased the best of young English talent.
Full-on Yorkshire are the pride of the County Championship, says David Lloyd, and deservedly so.
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