Harrison was diagnosed with a torn ACL while undergoing a procedure on his right knee Thursday, Ian Rapoport of NFL Network reports.
Mallory will once again operate in an expanded role after Tyler Warren (groin) was ruled out ahead of Sunday's game against the Vikings, Abby Halpin of the Colts' official site reports.
Alie-Cox will operate in an expanded role against the Vikings on Sunday due to the absence of Tyler Warren (groin), Abby Halpin of the Colts' official site reports.
Warren (groin) is ruled out for Sunday's game against the Vikings, FOX59's Mike Chappell reports.
Richardson was charged with misdemeanor possession of marijuana in Carmel, Indiana earlier this week, Tyler Haughn of FOX 59 reports.
Warren (groin) was not practicing Friday, Nathan Brown of The Indianapolis Star reports.
Ogletree (ankle) practiced in full Thursday.
Carlies (ribs) practiced in full Thursday.
Gould (concussion) did not practice Wednesday or Thursday.
Dulin (hamstring) was a limited participant in practice Thursday.
