According to Randy Carlyle, Komarov has not been cleared for contact. Today just the first step, first practice without contact.
The Score "Leo Komarov won't be back in the lineup until at least three weeks after a blindside hit from countryman Alex Ovechkin. The Toronto Maple Leafs forward, who suffered an apparent concussion as a result of the incident that took place on Nov. 29, will not play Tuesday against the Anaheim Ducks." December 16
A couple of interesting free agent options returning to NHL this year - Leo Komarov & Peter Mueller. Mueller led Swiss league in goals.
Sportsnet.ca "Toronto Maple Leafs forward Leo Komarov has signed a one-year contract with HC Dynamo Moscow of the Kontinental Hockey League, according to Sport-Express. Komarov played three full seasons, plus the start of the 2012-13 campaign, with Dynamo Moscow. In his first season playing in North..." June 10
TSN.ca "The Toronto Maple Leafs may have some competition if they want to keep Leo Komarov in the fold. In an interview with Russian news agency RIA Novosti translated by Dmitry Chesnokov of Yahoo! Sports, the soon-to-be restricted free agent forward has already spoken to his former KHL club Moscow..." May 22
Toronto Sun "No matter what happens with the Maple Leafs prior to Wednesday’s 3 p.m. NHL trade deadline, coach Randy Carlyle may have some more bodies to work into his lineup when the team returns to game action on Thursday night. Injured forwards Clarke MacArthur and Leo Komarov are nearing a return after..." April 03
NHL.com "Forward Leo Komarov has been placed on injured reserve by the Toronto Maple Leafs with an upper-body injury. "He is unavailable to our hockey club for a minimum of one week," coach Randy Carlyle said. "We are looking at it probably 7-10 days." Komarov sustained the injury in the second..." March 23