Four matches in the T20 Blast North Group - listen to BBC local radio commentaries.
Riki Wessels hits 84 not out and Moeen Ali 40 but Worcestershire are well beaten by 10 wickets by Northamptonshire.
New Northants signing Dwaine Pretorius and ex-captain Alex Wakely hit centuries before Ben Sanderson takes four Worcestershire wickets.
Moeen Ali makes 42 on his return for Worcestershire but Brett Hutton takes 6-57 for Northants.
Audio & Video
Wayne Madsen, Luis Reece and Alex Hughes are the star performers with the bat as Derbyshire Falcons hit five sixes and 18 fours as they impressively chase down Northamptonshire's 180-5 to win their T20 Blast fixture by six wickets.
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