He followed the North Stars franchise when it moved to Dallas in 1993, and played with them until the trade deadline of the 1993–94 NHL season, when he was dealt to the Washington Capitals.

Johnson played for two full seasons with the Capitals before signing with the Phoenix Coyotes as a free agent in 1996, and retired two years later.

On November 29, 2011, Johnson replaced Bob Woods as an assistant coach for the Washington Capitals.

The Oilers relieved Johnson and fellow assistant Ian Herbers of their coaching duties on April 27, 2018.

[4] In 2019, Johnson was hired as an assistant coach with the San Antonio Rampage in the American Hockey League.