Chris Gayle's Somerset return was spoiled by Sussex in a one-sided NatWest T20 Blast contest at Hove.
The West Indies ace was out for five in Somerset's 174 all out, which saw the visitors fall 48 runs short of their target.
Chris Nash struck an unbeaten 112 from 64 balls in the hosts' 222 for three. Luke Wright made 83, while David Wiese was another Sussex star, with four for 38.
Paul Collingwood hit an unbeaten 44 and frustrated Nottinghamshire with his bowling as Durham won by 66 runs at Chester-le-Street.
Riki Wessels top-scored with 38 in Nottinghamshire's reply of 112, which saw Paul Coughlin and Barry McCarthy each take three wickets.
Essex coasted to a seven-wicket victory over Glamorgan in Cardiff.
Jesse Ryder struck 42 off 23 balls as the visitors chased down Glamorgan's modest total of 140 for six.