Full-back Jose Salvatierra scored twice in Alajuelense's 3-0 win over Limon as the Alajuela-based club moved level with Herediano at the top of the standings on six points.
Herediano had earlier overcome Puntarenas 3-1 and lead the second-half of the Costa Rican league season due to goals scored as they are also level with Alajuelense on goal difference - both plus four.
The right full-back started a string of one-touch passes, which almost opened up the visitors' defence and when one Limon player hooked the ball to the corner of the penalty area, Salvatierra was on hand to blast his shot inside the far post.
Alajuelense had 63 per cent possession for the match and took 17 shots to four on Wednesday but had to wait until the 71st minute to double their lead with Jorge Davis producing a fine finish from Alejandro Aguilar's centring pass.
Salvatierra capped off the Torneo de Invierno champions' win in the 90th minute, bursting through the middle before side-footing the ball past Limon's goalkeeper.
