Cambridge United were beaten 1-0 at Peterborough United in the first Cambridgeshire Derby of the season in Sky Bet League One on Saturday. The first league meeting between the two sides for 21 years produced a solitary goal, with U’s defender Lloyd Jones inadvertently heading into his own net on 18 minutes. Cambridge’s two best chances for an equaliser both fell to Harvey Knibbs, who headed over from close range late on in the first half, before being denied by Lucas Bergström after the break. Head coach Mark Bonner made one change to his U’s line up from Tuesday’s rot-stopping 3-2 win away at…