Pierce (concussion) practiced fully Thursday.
The Colts are reportedly optimistic about Richardson (back/foot) playing Sunday against the Giants, per Stephen Holder of ESPN.
Richardson (back/foot) didn't participate in practice Thursday, James Boyd of The Athletic reports.
Pierce (concussion) was listed as a full participant on Wednesday's practice estimate.
Richardson (back/foot) was listed as a non-participant on Wednesday's practice estimate.
Jones (throat) was listed as a full practice participant on Wednesday's estimated injury report.
Alie-Cox (toe) was listed as a DNP on Wednesday's estimated injury report.
Moore had three total tackles and two interceptions in Sunday's win over Tennessee.
Goodson had four carries for 22 yards in Sunday's win over Tennessee.
Sermon had eight carries for 25 yards in Sunday's win over Tennessee.
Franklin finished with seven tackles (three solo) in Sunday's 38-30 win against Tennessee.
Carlies recorded 10 total tackles (six solo), including one tackle for loss, in Sunday's 38-30 win over the Titans.
Paye recorded four total tackles (two solo), including 1.0 sacks, in Sunday's 38-30 win over the Titans.
Gay went 1-for-2 on his field-goal attempts and made all five of his extra-point tries during the Colts' 38-30 win over the Titans on Sunday.
Richardson completed seven of 11 passes for 131 yards with one touchdown and one interception and added nine carries for 70 yards and another score in the Colts' 38-30 win over the Titans on Sunday.
Taylor rushed 29 times for 218 yards and three touchdowns in the Colts' 38-30 win over the Titans on Sunday.
Jones (throat) has been ruled out for the rest of Sunday's game against the Titans, George Bremer of The Anderson Herald Bulletin reports.
Jones (throat) is questionable to return to Sunday's outing against the Titans, George Bremer of The Anderson Herald Bulletin reports.
Flowers went down with a shoulder injury and will not return to Sunday's outing against the Titans, George Bremer of The Anderson Herald Bulletin reports.
Dulin (ankle) is not among the Colts' inactives for their Week 16 matchup against Tennessee on Sunday.
Alie-Cox (hip) is active for Sunday's Week 16 tilt against Tennessee.
Gay, who had been listed as questionable with a neck injury, is listed as active for Sunday's game against the Titans.
Brents (knee) won't be activated from IR on Saturday and has been downgraded to out for Sunday's tilt against the Titans.
The Colts activated Carlies (lower leg/shoulder) off injured reserve Saturday and removed his injury designation for Sunday's matchup versus Tennessee.
Kelly (knee), who is questionable for Sunday's game against Tennessee, was activated off injured reserve Saturday.