Yep, I either saw the same interview, or a different one in which much the same thing was said. He's regarded as the toughest nut we've got. Mind you, if anything that suggests we need to rotate him a bit more, as his form deteriorates back half of the season due to the niggles and fatigue.
As was pointed out in the post-match analysis of the derby, in both this season's and last season's instalment of the fixture, goals have resulted from the space created by his relatively infrequent overlaps, in part because Saka's geared to go when White drifts past him like that.