Vlasic will miss the start of training camp with an upper-body injury.

Vlasic is entering his 19th season in the NHL -- all with San Jose. The veteran had six goals, six assists, 35 hits and 108 blocked shots in 57 games during the regular season in 2023-24. There is no word at this time as to whether or not he will be ready for the start of the regular season Oct. 10 versus St. Louis.

Guhle underwent appendix surgery Wednesday and will be re-evaluated in seven days, according to RDS.ca.

This could be a bit of a blow to the Canadiens blue line, if Guhle has to miss some time during the regular season. The 22-year-old defenseman had six goals, 22 points, 178 blocked shots and 116 hits in 70 regular-season games in 2023-24. He is expected to be a top-pairing rearguard this season alongside Mike Matheson.

Niemela delivered five assists in two rookie-camp games against the Canadiens last weekend.

Niemala stood out as one of the Leafs' best players. He ran the top power-play unit and very effectively got the puck on the net low in order to produce rebounds for his teammates. Niemala was originally drafted because of his strong defensive instincts and smarts, but he has shown real growth in his offensive game. The Leafs' blue line is suddenly tight with so many offseason acquisitions, so Niemala may end up back in the AHL for more consistent ice time.

Poolman (head) won't play in 2024-25, Brendan Batchelor of Sportsnet 650 reports.

Poolman will miss his second full campaign due to migraines that have occurred after multiple head injuries, mostly recently in October of 2022. He is in the final season of a four-year contract he signed in July of 2021, and at this point, it seems likely his migraines will result in the end of his career. Poolman is likely to be formally placed on long-term injured reserve for another season in the coming weeks.

McWard is recovering from a lower-body surgery and won't be on the ice Thursday when the Canucks begin training camp, Thomas Drance of The Athletic reports.

First news of McWard's injury surfaced when he was ruled out of rookie games last week. His surgery was to address a nagging injury that bothered him in 2023-24. McWard hasn't been ruled out of preseason games yet, but he'll be starting the year slowly while finishing his recovery.

Solovyov signed a two-year, $1.55 million contract with the Flames on Wednesday.

Solovyov produced three assists over 10 NHL games last year and added 15 points in 51 regular-season contests with AHL Calgary. The Flames have a number of blueliners in contention for an NHL roster spot, so Solovyov is likely to begin 2024-25 in the AHL. His new contract is a two-way deal this season and a one-way deal in 2025-26.

Mintyukov is dealing with a lower-body injury and is day-to-day to begin training camp.

Mintyukov ended 2023-24 with a bone bruise, though it's unclear if the injury keeping him out early in camp is the same one. The 20-year-old defenseman produced 28 points in 63 games as a rookie last year and should be in contention for a top-four role this season. It's unclear at this time if he'll be ready to go when the Ducks begin their preseason slate Tuesday against the Sharks.

Johansen signed a professional tryout agreement with Nashville on Wednesday, Emma Lingan of The Hockey News reports.

Johansen has just nine games of NHL experience, making him a long shot to earn a full contract coming out of training camp. Still, the 26-year-old blueliner could play his way into a two-way contract with a strong showing during the preseason. Even if that does happen, Johansen figures to play the majority of his games in the minors with AHL Milwaukee.

Dahlin left Wednesday's practice before its conclusion due to an undisclosed injury, per Lance Lysowski of The Buffalo News.

Dahlin was hurt while attempting to make a pass. It's not known yet how significant the injury is, but Dahlin is a huge part of Buffalo's blue line, so if he misses time in the regular season, that would naturally leave a significant hole for the Sabres to deal with. In that scenario, Henri Jokiharju might see an increase in even-strength ice time while Bowen Byram or Owen Power would move up to the first power-play unit.

Samuelsson (shoulder) was a full go for Wednesday's training camp session, Lance Lysowski of The Buffalo News reports.

Samuelsson started skating before the season started back in April, so it shouldn't come as a surprise that he has recovered from his shoulder problem. The 24-year-old blueliner was limited to just 41 games last year and struggled offensively even when he was healthy. In all, the Philadelphia native managed just one goal and six helpers and was mired in a 35-game goal drought when his season ended due to his shoulder problem. Even if he can stay healthy, Samuelsson doesn't offer enough offense to warrant taking in most re-draft formats, though he has shown a physical edge and could help in both hits and blocks.