Rick Middleton and linemate Barry Pederson each scored twice in Buffalo as Boston evened the Adams Division final series, 2-2.
Middleton also had assists on the four goals he did not score; his six points were one shy of the sevenWayne Gretzky scored for Edmonton Sunday night for a playoff record.
Middleton's first goal, five minutes into the game, gave Boston a 1-0 lead. His second, a deflection off Buffalo defenseman Phil Housley 12:04 into the middle period, was the game-winner. Mike Krushelnyski and Mike Gillis also scored for the Bruins.
Dale McCourt's power play goal for Buffalo tied the game, 2-2, six minutes into the second period. Paul Cyr scored for the Sabres in the first period, also on a power play.
Game 5 in the best-of-seven Adams Division final is set for Wednesday in Boston.
Play was stopped 27 times for penalties--13 in the first period, when each team had a five-on-three and four-on-three advantage and played three on three for a short stretch. At one point, Boston had four players in the penalty box.
Middleton and Pederson, who also had three assists, have points in all eight playoff games.