Highmore (upper body) is practicing in a regular jersey Saturday and could return to the lineup versus Montreal, TSN 1200 Ottawa reports.
Highmore (upper body) was placed on injured reserve Monday, per CapFriendly.
Highmore (upper body) won't be in the lineup Saturday against the Sharks.
Highmore (upper body) won't play Thursday against LA, TSN 1200 Ottawa reports.
Highmore was elevated from AHL Belleville on Wednesday.
Highmore was assigned to AHL Belleville on Sunday.
Highmore was recalled Friday from AHL Belleville.
Highmore was sent down to AHL Belleville on Sunday.
Highmore was called up by Ottawa on Thursday, per Bruce Garrioch of the Ottawa Sun.
Highmore signed a one-year, two-way contract with Ottawa on Saturday.