Daniel Bell-Drummond struck an unbeaten 79 to steer Kent to a first County Championship win over Lancashire at Old Trafford in 27 years.
Joe Root scored his second Vitality County Championship century in as many innings with a sublime 156 for Yorkshire against Glamorgan at Headingley.
Surrey secured their first win season after beating Kent by an innings and 37 runs at Canterbury, as rain denied Nottinghamshire a possible 400-run stand at Somerset.
Essex claimed their second win of the County Championship season with an innings and 124-run win over Lancashire.
Joe Root, Harry Brook and Zak Crawley were all out cheaply as the County Championship returned for round three with the Dukes ball instead of the Kookaburra.
Dane Paterson starred for Nottinghamshire with a five-for on the opening day of the 2024 County Championship season.
The English cricket summer officially gets under way on Friday with the start of the County Championship, but who and what should we be looking out for?
Keep up to speed with all the signings, departures and overseas players in county cricket for the 2024 season.
Check out the fixtures for the LV= County Championship in 2024, with the season running from April 5 to September 29.
Check out the fixtures for the Vitality Blast competition in 2024, which starts on Thursday May 30 and concludes on September 14.
Essex's lingering hopes of winning the LV= Insurance County Championship Division One title were dealt a huge blow by Ben Sanderson's bowling for Northamptonshire.
Check out the fixtures for the One Day Cup in 2024, which begins on July 24 and concludes with the final on September 22 at Trent Bridge.
Sue Redfern feels she has helped "send an important message" after becoming the first female to umpire a match in the LV= Insurance County Championship.
Jofra Archer, who could be included as a travelling reserve with the England World Cup squad, has signed a contract extension at Sussex.
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...
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.