Rookie Carson Young builds four-shot edge in Puerto Rico

PGA Tour rookie Carson Young opened up a four-stroke lead through two rounds of the Puerto Rico Open on Friday in Rio Grande, Puerto Rico.

Young followed Thursday's 63 with a 5-under 67 to reach 14-under 130, tying the 36-hole tournament record.

Young leads Paul Haley II (66 Friday) and Colombian Nico Echavarria (67) comfortably as he aims for his first win on tour in just his 14th career start.

Young started his round