MONTREAL (AP) — Ignacio Piatti scored two goals to lead Montreal to a 4-1 win over a 10-man Portland Timbers Saturday and become the Impact’s all-time leading scorer in MLS.

The Argentine midfielder converted a penalty after just 13 minutes then scored again in the 50th minute to take his career tally to 36 goals, one more than Marco Di Vaio’s previous Montreal record.

Kyle Fisher and Ambroise Oyongo also scored for Montreal while Diego Valeri grabbed a consolation goal for the Timbers, who played most of the match a man down after Diego Chara was sent off for slapping Piatti.

SOUNDERS 1, REAL SALT LAKE 0

SEATTLE (AP) — Seattle ended a three match losing streak by beating Salt Lake despite missing a penalty.

Harry Shipp scored the winner after 42 minutes when his shot took a deflection and went into the net.

Clint Dempsey failed to convert from the penalty spot in the second half for Seattle but Salt Lake was unable to conjure up a late equalizer.

FIRE 1, D.C. UNITED 0

WASHINGTON (AP) — Chicago registered its first road win this season by beating United.

David Accam scored the only goal of the match in the 52nd minute when he got in behind the Washington defense and slotted the ball into the right side of the net for his sixth goal of the season.

UNITED 4, DYNAMO 1

ATLANTA (AP) — Miguel Almiron scored a hat-trick as Atlanta defeated Houston.

The Paraguayan international scored twice in the first half to give his team a 2-0 lead after the start of the match had been delayed for almost an hour because of lightning in the area.

He completed his hat-trick with a goal from the penalty spot 10…