Sam Smith's second-half strike ensured Hereford maintained their unbeaten start to the season with victory over 10-man Tamworth.
The decisive moment came when the ex-Lincoln and Cambridge forward found the top corner with a superb effort.
The Lambs went close to an equaliser when Jack Evans' free-kick was brilliantly saved by keeper Rhys Evans.
Their hopes of an equaliser faded after Duane Courtney was sent off for a wild challenge on Josh O'Keefe.
Sorry, we were unable to load match stats, please try again.