Dealing with a lower-body injury, Tkachuk has been ailing since the second game of the 4 Nations Face-Off when he missed the final 12:36 of a 3-1 win for Team USA over Canada. After having to sit out the final game of the round robin, Tkachuk took the ice for just 6:47 in a 3-2 overtime loss to Canada in the championship game on Feb. 20.

Florida Panthers star forward Matthew Tkachuk, who injured his groin in the 4 Nations Face-Off during the All-Star break, will miss the rest of the regular season, the team announced on Monday. "Matthew's going to be out for an extended period of time.

The Florida Panthers added defense to bolster their repeat of a Stanley Cup win. Now the question with Matthew Tkachuk put on injured reserve is whether they have another move coming.