Restricted free agent Landry Fields signed a three-year offer sheet with the Toronto Raptors on Wednesday, his agent said.The deal approaches $20 million. The New York Knicks will have three days to match Toronto's offer.Raptors GM Bryan Colangelo told reporters Wednesday the Knicks are considering re-signing Fields, a third-year guard."The Knicks have informed me they are very interested in retaining Landry," Colangelo said, according to the National Post. Source: ESPN