Johansson contract was awarded in arbitration last summer.
Malone will likely play most of the season in the American Hockey League.
After two summers of major moves, the Capitals' lone significant addition was depth forward Brett Connolly.
After playing a season in Zurich with Auston Matthews, Jonas Siegenthaler suited up for Hershey, but ended his season early.
Joe Cannata will be the top netminder for the Hershey Bears next season.
The Capitals have been pretty quiet on the first day of free agency, which was expected.
Two Caps development camp players have signed contracts within the organization.
Chimera's average annual value will be $2.25 million.
Hobbs is at Washington's development camp this week.
"I’m a big believer in earning everything, and at the end of the day, he seemed to fit that bill," goaltending coach Mitch Korn said of Carlson.