Edmonton limited Boston to five shots in the third period and none in overtime.
Stuart Skinner made 25 saves for the Oilers, and Evan Bouchard had two assists. McDavid also had two assists, extending his point streak to 12 straight games.
Leon Draisaitl scored 2:18 into overtime for his second goal of the game, and the Edmonton Oilers beat the Boston Bruins 2-1 on Tuesday night for their fifth consecutive victory.
Draisaitl also tied it at 1 with his 31st goal of the season with 1:20 left in the third. He ended the game with a one-timer off a crossing pass from Connor McDavid.
