The 2023 Vitality Blast concludes with Finals Day at Edgbaston on Saturday; here's a look at the four teams involved and the star players on show.
Surrey reached Vitality Blast Finals Day after defending a target of 188 to win a high-scoring thriller against Lancashire by 13 runs at Emirates Old Trafford.
Which four teams will make it to Vitality Blast Finals Day at Edgbaston? The quarter-finals begin on Thursday with Birmingham Bears vs Essex before three ties on Friday
Lancashire seamers Tom Bailey and Will Williams took just 45 minutes to complete a 123-run LV=Insurance County Championship victory over Surrey.
Middlesex produced the biggest successful run chase in Vitality Blast history to stun Surrey with an incredible seven-wicket victory at The Oval.
England batter Dan Lawrence is swapping Essex for Surrey, agreeing a three-year deal with the reigning county champions.
Surrey recorded the County Championship's highest run chase in 98 years as they scored 501 to beat Kent by five wickets at Canterbury.
Surrey face a battle to save their perfect start to their LV= Insurance County Championship title defence after seeing Kent build a substantial lead on day two.
Surrey recorded the fourth highest score in T20 Blast history after running up a massive 258-6 in their emphatic 124-run victory over Sussex at Hove.
All you need to know about the 2023 Vitality Blast, as the domestic T20 tournament kicks off on Saturday, live on Sky Sports...
Durham clinched a dramatic one-wicket victory over Yorkshire with injured last man Brydon Carse hitting the winning runs.
Warwickshire underlined their County Championship title-chasing credentials by completing a four-wicket win over fellow challengers Essex inside three days.
England seamer James Anderson received treatment for a "minor issue" during Lancashire's County Championship match against Somerset.
James Anderson starred as Lancashire got off to a strong start against Somerset on a rain-affected first day of their County Championship Division One clash.
Warwickshire bowler Chris Rushworth took 7-38 to help his side to an impressive County Championship victory over Hampshire by an innings and 84 runs at the Ageas Bowl.
England bowler Ollie Robinson stole the show with a seven-wicket haul vs Worcestershire as Sussex team-mate Steve Smith was forced to wait to bat.
Seamer Tim Murtagh claimed a 10-wicket match haul to top 1,000 wickets in all formats for Middlesex as they comfortably beat Kent in the County Championship.
Round-up of Friday's County Championship action as Jamie Smith helps put Surrey in control against Warwickshire.
Defending champions Surrey reduce Warwickshire to 143-8 as Kemar Roach takes 3-31.
Ollie Pope and Dom Sibley shared an unbroken 193-run second wicket partnership, as Surrey beat Hampshire by nine wickets at the Kia Oval.