Sims, known for signature calls such as “Hey now” and “Giddy up, baby,” has been the Mariners’ television play-by-play man since 2007. The Philadelphia native will now join the 78-year-old Suzyn Waldman, Sterling’s longtime broadcast partner, in the Yankees’ radio booth. WFAN is close on a deal to hire Dave Sims as John Sterling’s replacement.

Dave Sims, who has spent the past 20 years calling Mariners games, will replace John Sterling as Suzyn Waldman's play-by-play partner on Yankees radio broadcasts.

The Mariners will have a new voice in the broadcast booth next season. Dave Sims is finalizing a deal to become the new radio voice of the New York Yankees, a source has confirmed to The Times. Sims,

The New York Yankees have officially named a new play-by-play voice. Veteran broadcaster Dave Sims will replace John Sterling, who says he’s officially retired for good after a brief return to call playoff games.

The Yankees have found their new radio voice, closing in on a deal with Mariners TV announcer Dave Sims to be John Sterling’s replacement in the WFAN booth. The New York Post was the first to report the play-by-play news.