Durham seal promotion from Championship Division Two with two games to spare as they beat Middlesex by 93 runs.
Durham are on course to secure promotion from Division Two after setting Middlesex a huge target of 424 at the Riverside.
Brydon Carse's five-wicket haul and Ben McKinney's century put Division Two leaders Durham in control against Middlesex.
Middlesex remain hopeful their captain can play again this season, despite being classified as an overseas player.
Ben Raine leads a Durham fightback with the bat after Seb Morgan's four wickets had put Middlesex in the driving seat on day one at Chester-le-Street.
Middlesex captain Leus du Plooy and director of cricket Alan Coleman will both leave the club at the end of the year.
Middlesex Women finished top of the One Day Cup League Two table after thrashing Glamorgan by 10 wickets in a one-sided final group game.
Middlesex's seamers bowl out Lancashire for 136 to seal a County Championship victory inside three days.
Middlesex take control of their Division Two game with Lancashire as 19 wickets fall and the visitors struggle with the bat.
