Championship Huddersfield frustrated Manchester City to take their FA Cup fifth-round tie to a replay with a goalless draw at the John Smith's Stadium.
The Yorkshire side had a first-half strike disallowed for offside and City's Claudio Bravo was the busier of the two goalkeepers as David Wagner's men produced a spirited display.
But City were not overly troubled and given the addition to their fixture lists, both managers might have been left rueing making 15 changes between them.
That may be especially so for Pep Guardiola and City, who might also have to alter plans for a warm-weather training camp in Abu Dhabi after Tuesday's Champions League clash against Monaco.