Rumor: Kyle Lowry not re-signing in Toronto?

David Richard-USA TODAY SportsThe offseason rumor mill (and even trade market) is in full swing, and a new rumor regarding Toronto Raptors point guard Kyle Lowry surfaced this evening.

According to RealGM, opposing teams were told that Lowry has been growing unhappy with his situation in Toronto.

Lowry has been "grumbling about dissatisfaction with the Raptors for months", according to multiple sources.

Rival teams were being told Lowry had “zero interest” in returning to Toronto as recently as mid-May.

The Raptors, for their part, had no intention of offering a five-year deal to Lowry.

That last part is key, as the five-year contract is the main competitive advantage the Raptors hold over other…