By Chris Smith Saturday’s MLS Cup Playoffs Final clash between LAFC and the Philadelphia Union may just be the most evenly matched in league history. In one corner, we have LAFC, who lifted the Supporters’ Shield for the second time in four years, have home advantage, and are spearheaded by attacking talents such as Carlos Vela and Cristian Arango. And in the other corner, the Philadelphia Union matched the Black and Gold for points and enjoyed the best offensive and defensive records during the regular season, only losing the Shield on games won – Major League Soccer’s primary tie-breaker. It…