While pressures are certainly important, they are not as important as sacks. When a QB is sacked, he cannot complete a pass or score points for his team. When a QB is pressured, he can do both of the previous. One outcome ends a play. The other one introduces other possible outcomes.
Odighizuwa went 15 weeks without a sack last year. To act as if he's an underrated pass rusher when his finish stats are not there is embellishing his abilities in that area. He has the tools, but needs to get the QB on the ground more than in two games of a season.