MCCU Matches The season began with three rounds of
first-class cricket matches played between first-class counties and the six MCC University teams. Each MCCU team played two matches, each against a first class county, between 28 March and 9 April.
County Championship The men's County Championship saw a restructuring of the divisional structure for the start of the season. Division One was reduced to eight teams at the end of the 2016 season in order to reduce the number of Championship matches each county played to 14. Ten teams competed in Division Two for the first time, meaning that Division Two teams did not play each other home and away during the season.
Essex, who had been promoted from Division Two the previous season, won the County Championship.
Middlesex, the 2016 Champions, and
Warwickshire were relegated from Division One, with their places taken by Division Two champions
Worcestershire and
Nottinghamshire, who narrowly beat
Northamptonshire to the second place spot in the division. Middlesex's relegation from Division One was controversial. The club had been deducted two points for bowling a slow
over rate during a match against
Surrey at
The Oval at the end of August in a match which was abandoned early when a crossbow bolt was fired on to the pitch. At the time Middlesex were batting but could have declared and made up the over rate in Surrey's second innings. They lost to
Somerset on the final day of the season, with Somerset just one point above Middlesex in the table. The pitch at
Taunton was investigated after Wayne Noon, the ECB cricket liaison officer at the ground for the match, marked it as "below average" for excessive spin on the first two days of the match – a factor which, it was suggested, would help Somerset's strong spin attack. No action was taken over the pitch quality after a further inspection took place, despite it being described as "doctored" and Somerset being called a "disgrace" by Middlesex's Chief Executive
Angus Fraser.
Division One Division Two Royal London One-Day Cup The
Royal London One-Day Cup took place between April and July, with the eighteen counties organised into two regional groups.
Nottinghamshire and
Surrey advanced to the final, with Nottinghamshire winning the title.
NatWest t20 Blast The
T20 Blast took place between July and September, with the eighteen counties organised into two regional groups.
Nottinghamshire beat
Warwickshire in the final to claim their second title of the season.
Women's County Championship The
Women's County Championship was won by
Lancashire, the county's first Championship title. The runners-up were
Yorkshire. The season was the first with a changed format of three divisions with Division Three split into four geographic groups, replacing the previous system of four divisions.
Women's Twenty20 Cup The
Women's Twenty20 Cup was won by
Lancashire, the county's first Twenty20 title.
Middlesex finished as runners-up.
Women's Cricket Super League The second edition of the
Women's Cricket Super League took place in August and September. The final was a repeat of the previous season, but this time
Western Storm beat defending champions
Southern Vipers by 7 wickets.
Minor Counties Championship The 3-day Minor Counties Championship ended in August, with
Berkshire beating
Lincolnshire in the final. Berkshire also won the 50-over
MCCA Knockout Trophy. ==References==