Lions release P Jeff Locke, who had been replacing Martin

DETROIT, MI - NOVEMBER 20: Punter Sam Martin #6 of the Detroit Lions warms up prior to the start of the Detroit Lions and Jacksonville Jaguars game at Ford Field on November 20, 2016 in Detroit, Michigan. (Photo by Dave Reginek/Getty Images)

The Detroit Lions have released punter Jeff Locke.

Locke averaged 45.3 yards a punt for the Lions on 27 attempts this season. Sam Martin, the team's regular punter, has been on the reserve/non-football injury list but was at practice Monday.

Martin has not played this season, but he averaged 46.9 yards on 282 punts for the Lions from 2013-16.

Locke spent the previous four seasons with Minnesota.