Smith won't start Wednesday's regular-season opener against the Magic.
Smith is in the starting lineup for Friday's preseason game against the Grizzlies.
Smith (knee) agreed to a two-way contract with the Heat on Monday.
Smith was cut upon Miami's signing of Patty Mills on Tuesday, Anthony Chiang of the Miami Herald reports. Smith is out for the season after tearing his ACL in November.
The Heat announced Friday that Smith (knee) is expected to miss the remainder of the season, Will Guillory of The Athletic reports.
Smith (knee) is out for Friday's matchup against the Knicks and will be getting an MRI that day, Ira Winderman of the South Florida Sun Sentinel reports.
The Heat signed Smith to a multi-year, standard contract Saturday, Shams Charania of The Athletic reports.
Smith (hamstring) is available for Wednesday's preseason game against the Nets, Anthony Chiang of the Miami Herald reports.
Smith won't play in Sunday's preseason game against the Grizzlies due to a hamstring injury, Ira Winderman of the South Florida Sun Sentinel reports.
Smith racked up 13 points (5-10 FG, 0-1 3Pt, 3-3 FT), three rebounds and three assists across 26 minutes in Friday's 120-104 preseason loss to the Spurs.