The Ravens placed Pierce (calf) on injured reserve Wednesday.
Pierce (calf) has been ruled out for the rest of Sunday's game against the Browns.
Pierce (shoulder) was a full participant in Wednesday's practice, Jamison Hensley of ESPN.com reports.
Pierce (shoulder) is inactive for Sunday's game against the Bills.
Pierce (shoulder) has been downgraded to doubtful ahead of Sunday's matchup against the Bills.
Pierce and the Ravens agreed to a two-year, $7.5 million extension Saturday, Field Yates of ESPN reports.
Pierce (neck) was not listed on Baltimore's injury report Tuesday.
Pierce (neck) is considered questionable to return to Sunday's game against the Dolphins due to a stinger.
Pierce had five tackles (four solo) including a sack and a forced fumble in Sunday's 31-24 win over the Cardinals.
The Ravens placed Pierce (biceps) on injured reserve Thursday.