12:46pm: The Mariners are indeed in on Hart, tweets Jon Heyman of CBS Sports, who notes that GM Jack Zduriencik drafted Hart when he was Milwaukee's scouting director back in 2000.
12:38pm: USA Today's Bob Nightengale tweets that Hart is torn between re-signing with the Brewers or signing with another team, which could be the Mariners.
9:39am: Hart is currently weighing offers from multiple teams, according to Jon Heyman of CBS Sports (on Twitter).
WEDNESDAY, 7:24am: The Brewers are still waiting on word from Hart, but feel like they've done all they can do and are optimistic about their chances, tweets Tom Haudricourt of the Milwaukee Journal Sentinel.
TUESDAY, 8:25pm: Free agent first baseman Corey Hart could agree to terms with a team tonight, MLB.com's Adam McCalvy tweets. Earlier this week, a report indicated that the Brewers were prioritizing re-signing Hart. They also have a need at first base. Hart, meanwhile, has said he would be willing to take less money to stay in Milwaukee.
Hart missed the 2013 season and has recently had surgeries on both knees. He hit .270/.334/.507 for the Brewers in 2012. The Brewers currently have Juan Francisco atop their depth chart at first base.