Kostin (upper body) was put on injured reserve Saturday, per Curtis Pashelka of The San Jose Mercury News.

Kostin (undisclosed) isn't expected to play Saturday versus Utah, according to Curtis Pashelka of The San Jose Mercury News.

Kostin (lower body) took line rushes on the second line and is expected to play Tuesday versus the Hurricanes, Sheng Peng of San Jose Hockey Now reports.

Kostin (lower body) will be a game-time decision against Carolina on Tuesday, per Sheng Peng of San Jose Hockey Now.

Kostin notched an assist and went plus-2 in Saturday's 4-2 win over the Kraken.

Kostin scored a goal on two shots, added an assist, levied six hits, logged seven PIM and went plus-2 in Friday's 8-5 win over the Kraken.

Kostin notched an assist, five hits and two PIM in Wednesday's 4-3 loss to the Senators.

Kostin was scratched for the eighth straight game when he sat out Thursday's 3-2 loss to the Rangers.

Kostin (illness) will most likely be back in the lineup Tuesday at home against Calgary, per Sheng Peng.

Kostin (illness) will not play Sunday against Arizona, Sheng Peng of San Jose Hockey Now reports.