He also played in 17 WHA games with the Calgary Cowboys during the 1976-77 season.

The Calgary Cowboys join the West Division from the Canadian Division.

Leiter signed with the Calgary Cowboys of the World Hockey Association to finish the season, after which he retired.

He played nine games in the WHA with the Calgary Cowboys in the 1976-77 season, scoring one goal and two assists.

He played in 4 WHA games with the Calgary Cowboys during the 1975-76 season.

For 1976-77, he found himself back with the Fighting Saints, but finished out the season with the Calgary Cowboys after Minnesota, too, folded mid-year.

And another 21 games for the Calgary Cowboys of the WHA.

Unable to establish a strong fan base in Vancouver, the team was moved again in 1975 to become the Calgary Cowboys.

After two seasons, the team was again relocated to Calgary, Alberta as the Calgary Cowboys for 1975-76.

He was also drafted by the Calgary Cowboys of the World Hockey Association.