Kastelic (upper body) won't play Tuesday versus Boston.
Kastelic (upper body) won't play Monday against the Rangers, per Gord Wilson of TSN 1200 Ottawa.
Kastelic exited Saturday's game against Montreal because of an upper-body injury and won't return, per Bruce Garrioch of the Ottawa Sun.
Kastelic scored once and added one hit in the Senators' 5-2 loss to St. Louis on Thursday.
Kastelic scored his second goal of the season in Wednesday's 3-2 overtime win over the Red Wings.
Kastelic (ankle) was moved to long-term injured reserve Thursday, per CapFriendly.
Per Bruce Garrioch of the Ottawa Sun, Kastelic suffered a high-ankle sprain Thursday versus the Kings.
Kastelic (lower body) was placed on injured reserve Friday, CapFriendly reports.
Kastelic was recalled from AHL Belleville on Saturday.
Kastelic (undisclosed) was reassigned to AHL Belleville on Tuesday.