Tkachuk has been held off the scoresheet in eight straight games following Tuesday's 5-0 loss to the Rangers.
Forsberg stopped 10 of 13 shots in relief in Tuesday's 5-0 loss to the Rangers.
Merilainen stopped 14 of 16 shots before being pulled in Tuesday's 5-0 loss to the Rangers.
Reinhardt (upper body) will not be an option for Tuesday's road game against the Rangers, per TSN 1200 Ottawa.
MacEwen will be taking an indefinite leave of absence for personal reasons, AHL Belleville announced Tuesday.
Merilainen will defend the road cage Tuesday versus the Rangers, according to TSN 1200 Ottawa.
Forsberg turned aside 25 of 26 shots on goal in Sunday's 2-1 win over New Jersey.
Chabot notched an assist, two shots on goal, two hits and a plus-2 rating in Saturday's 6-5 shootout win over the Bruins.
Giroux registered two assists in Saturday's 6-5 shootout win over the Bruins.
Gaudette scored a goal on four shots, blocked two shots and went plus-3 in Saturday's 6-5 shootout win over the Bruins.
Forsberg will guard the road net Sunday against the Devils, TSN 1200 Ottawa reports.
Jensen scored a goal and added an assist in Saturday's 6-5 shootout win over the Bruins.
Stutzle delivered an even-strength goal and a power-play assist in Saturday's 6-5 shootout win over the Bruins.
Norris scored two goals, one on the power play, in Saturday's 6-5 shootout win over the Bruins.
Merilainen turned aside 23 shots in regulation and overtime and all three shootout attempts he faced in Saturday's 6-5 win over the Bruins.
Reinhardt (upper body) isn't expected to play against New Jersey on Sunday, TSN 1200 Ottawa reports.
Ullmark (back) has been upgraded to day-to-day and will accompany the Senators on their three-game road trip that begins Sunday in New Jersey.
Reinhardt (upper body) will sit out Saturday against Boston, TSN 1200 Ottawa reports.
Chabot (face) is good to return for Saturday's clash against Boston, per TSN 1200 Ottawa.
Merilainen is expected to start at home against Boston on Saturday, according to TSN 1200 Ottawa.
Reinhardt (upper body) will miss Thursday's tilt against Washington.
MacEwen was reassigned to AHL Belleville on Thursday.
Merilainen will tend the twine for Thursday's home matchup with Washington, Graeme Nichols of The Hockey News reports.
Chabot (face) will miss Thursday's contest against Washington, per Bruce Garrioch of Postmedia.
Amadio (concussion) will return to action for Thursday's home game against the Capitals, Bruce Garrioch of Postmedia reports.
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