Dwyane Wade's contract negotiations with the Miami Heat appeared to be just a mere formality, with the perennial All-Star expected to come to terms rather quickly.

But that doesn't appear to be the case anymore as talks between the two sides have stalled, leaving Wade open to weighing offers from other teams when free agency begins Friday, ESPN reported Tuesday.

This isn't the first time the Heat and Wade have had difficulties reaching an agreement. The two sides had some tense moments last summer before they agreed on a one-year, $20 million deal.

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According to the report, some teams aren't convinced Wade would leave and end his 13-year tenure with the club. The 12-time All-Star helped the Heat capture three titles and was named Finals MVP in 2006.

Wade averaged 19.0 points, 4.6 assists and 4.1 rebounds last season. The 34-year-old played in 74 games last season, his most since 2010-11 after being limited by knee issues the previous four years.

The Heat are one of six teams that reportedly will meet with Kevin Durant during free agency. Miami is also intent on re-signing center Hassan Whiteside, who could command a max contract.