<p>SEATTLE &mdash; Josef Martínez converted a penalty kick in the 86th minute to help Atlanta United tie the Seattle Sounders 1-1 on Sunday. </p>
<p>Atlanta (2-1-3), which had won back-to-back games and is unbeaten in three straight, had 63% possession and snapped the Sounders’ four-game win streak. </p>
<p>Brooks Lennon drew a foul, conceded by Brad Smith, in the area and Martínez scored from the spot to make it 1-all. </p>
<p>Raúl Ruidíaz headed home a corner kick by João Paulo to give Seattle (5-0-2) the lead in the sixth minute. Ruidíaz has six goals this season. </p>
<p>UNION 1, D.C. UNITED 0</p>
<p>WASHINGTON &mdash; Kacper Przybylko scored in first-half stoppage time and Andre Blake had four of his seven saves in the second half to help Philadelphia hold off D.C. United.</p>
<p>Jamiro Monteiro flicked a weighted pass into the penalty area and Przybylko settled it with his first touch for a close-range finish to help Phildelphia improve to 3-2-2.</p>
<p>D.C. United dropped to 2-5-0.</p>