Erik Thommy scores sublime first-half equalizer from long range;
Daniel Salloi nets club record-breaking 14th match-winning goal;
Graham Zusi to 6th in MLS history with 29th game-winning assist;
Roger Espinoza to 4th in SKC history with 44th reg. season assist;
Sporting substitutes combine for four goal contributions;
SKC is 4-0-4 in last eight reg. season home games vs. Portland;
Sporting back home Wednesday to host FC Dallas at 7:30 p.m. CT