Luke Berry rattled in a thumping 20-yard strike as Cambridge won 2-1 at high-flying Plymouth.

Shaun Derry's side showed no signs of an FA Cup knockout hangover as they sped into a sixth-minute lead against injury-hit Plymouth.

On-loan Gillingham forward Ben Williamson swept home an angled drive from inside the right-hand side of the penalty area after being teed up by his strike partner Barry Corr.

Home winger Gregg Wylde looped in a 73rd-minute headed leveller from full-back Kelvin Mellor's deep cross from the right.

Plymouth's on-loan Brighton goalkeeper Christian Walton made a superb sprawling block to deny United left winger Harrison Dunk as he shot on the run from the left in the 19th minute.

Argyle - without playmaker Graham Carey and still without striker Reuben Reid and on-loan Crystal Palace midfielder Hiram Boateng - failed to trouble visiting keeper Sam Beasant in the first half.

Derek Adams' home side made a much better start to the second half with United's defence forced to scramble clear from target man Ryan Brunt from six yards.