Jamison Olave's own goal seven minutes from time gifted the Portland Timbers a point as they came from two goals down to draw 3-3 with Tim Cahill's New York Red Bulls.
An Edgar Espindola double (9th and 24th), which sandwiched a reply from Diego Valeri (14th), and Olave's (29th) strike at the right end put the visiting side in control at half-time.
But Darlington Nagbe pulled one back after 56 minutes and the unfortunate Olave inadvertently complete the comeback.
Mike Magee bagged a hat-trick as defending-champion Los Angeles Galaxy began its MLS season with a 4-0 win over Chicago Fire.
Magee scored after 38 minutes to put the
New York RB
Tim Cahill said it will be an emotional return to the Den as he bids to become Australia's leading scorer at the ground where he launched his professional club career.