Drouin, the No. 3 pick in the 2013 NHL Draft, had 95 points (29 goals, 66 assists) in 164 games with the Lightning. Sergachev, the No. 9 pick in the 2016 NHL Draft, played four games with the Canadiens in 2016-17 but is one of the League's top rookies this season with 23 points (eight goals, 15 assists) and a plus-12 rating in 35 games.
The Lightning have won seven in a row at home, nine of their past 10 games overall and own the NHL's best record. Forward Nikita Kucherov leads the League in goals (24) and points (51). Center Steven Stamkos has 45 points (13 goals, 32 assists), tied for fourth with Edmonton Oilers center Connor McDavid.
Montreal is 3-5-1 in its past nine games after a 3-1 loss at the Carolina Hurricanes on Wednesday.