Ken Griffey Sr., who made major-league baseball history by playing in the same outfield with his 20-year-old son last season, has told the Seattle Mariners that he's coming back, the Seattle Times reported.

But a team spokesman said Monday night that Griffey Sr. has not formally approached management about a contract for next season."If he wants to come back, that's obviously good news. But as of today we have not heard from him or his agent," spokesman Dave Aust said.

After being released by Cincinnati, Griffey Sr. signed with the Mariners on Aug. 29 and hit .377 in 21 games with three homers and 18 RBIs.

The elder Griffey started his first game with the Mariners on Aug. 31 in left field alongside his son, Ken Griffey Jr., in center field.