Stützle took a knee-on-knee hit in Tuesday's game in Montreal. He was on the ice for the morning skate but remains questionable to play Thursday. Monitor his status as the Senators hit the ice for warmups at 6:30 PM ET.
MacEwen suffered a head injury in a fight with Wayne Simmonds on Saturday and will miss his second straight game on Tuesday. He is considered day-to-day.
Bourgault was a first-round pick (No.22 overall) in last year's draft and has scored 27 goals with 26 assists (53 points) in 33 games with Shawinigan (QMJHL).
Amadio missed three games while in COVID-19 protocol but is expected to play Saturday afternoon vs. the Blackhawks. Amadio will replace Nolan Patrick (undisclosed) in the lineup.
Highmore suffered an upper-body injury in Minnesota on Thursday and will miss Saturday's game in Dallas. Highmore is not dealing with a concussion, which was originally feared.
Batherson has been out since late January but is set to play Saturday vs. the Panthers. Batherson will be back on the top line with Josh Norris and Brady Tkachuk and on the top power-play unit.