Head coach Eric Mangini couldn't provide a definitive answer about whether the pair would be available for next Sunday's game against New Orleans.
"We have to go through the procedure. It could also carry over," Mangini said.
According to a report in the Pittsburgh-Post Gazette, Harrison's hit on Cribbs was termed legal by the NFL, while the hit placed on Massaquoi is being reviewed.
Cribbs and Massaquoi are key offensive pieces for the 1-5 Browns, who have scored only 88 points so far this season, the lowest per-game average in the AFC.
The Sports Network