Samit Patel gave the perfect response to his winter rejection by England as he got Nottinghamshire's Championship season off to a good start.
Patel was dropped three times in a confident 95, sharing a 139-run third-wicket stand with Adam Voges (99).
Worcestershire's attack, including Aussie signing Ashley Noffke, generally toiled in the Trent Bridge sunshine for little reward as Notts ran up 334-5.
But Matt Mason bowled tidily, taking 2-60 in his 19 overs.
Worcestershire were without their two injured England pacemen, Simon Jones and Kabir Ali.
But the visitors made life difficult for themselves, giving Patel three lives.
He was dropped on six at second slip by Daryl Mitchell off Imran Arif, again on 29 by Ben Smith at first slip off Chris Whelan and then, less expensively, on 82, when keeper Steve Davies missed a chance off Gareth Batty.
The young man discarded by England this winter for being overweight eventually ran himself out on 95, easing through for a single.
And Voges also missed out on three figures, going just one short of his century, when he was caught behind.
Another former England man Chris Read hit a half century, ending the day unbeaten on 69, in partnership with Graeme Swann.
Visiting pace bowler Matt Mason told BBC Hereford & Worcester:
"We can't afford to let chances go begging.
"Every session is important in this division and we've got to show a little more patience."
BBC Nottingham's Chris Ellis reviews day one at Trent Bridge:
"Notts will be pretty happy with their first day's play in the County Championship, but there will be two guys back in the pavilion who'll be feeling a little disappointed with themselves.
"Samit Patel made a wonderful 95. He was very aggressive, playing some fine straight drives, and one lovely six off his legs. But, on 95, he ran himself out ambling through for a single.
"Adam Voges was patient, his timing was fantastic, but he got the jitters in the 80s and 90s, and on 99, he flicked one off his legs and was caught behind.
"Chris Read's running between the wickets was very sprightly, and then he made some big shots towards the end."
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