The Toronto Maple Leafs acquired the 6-foot-6 center from the Lightning at the trade deadline this past season for their own playoff push. While he did supply defense, he tallied only three assists in 21 regular-season games and two assists in six playoff games.
Boyle has 169 points in 624 NHL games.
His cap hit in the final year of his three-year contract was $2 million.
The Associated Press contributed to this report.