Matthew Potts makes his England case as Durham close in on Gloucestershire
Gloucestershire 255 for 9 (Charlesworth 71, Harris 52, Patel 5-93, Potts 2-35) and 181 for 6 (Harris 71*) need another 244 runs to beat Durham 445 (Clark 100, de Leede 65, Coughlin 59*, Borthwick 53) and 272 for 4 dec (Jones 121*) Matthew Potts did his prospects of featuring in the upcoming Ashes series no harm at all as Durham put Gloucestershire under the pump on the day three of…