Cubs free agent target: Walker Buehler

Photo by Al Bello/Getty ImagesAl Yellon created Bleed Cubbie Blue and has been its managing editor since 2005. He's also written three books about the Cubs, the latest is "Chicago Cubs Firsts."

Walker Buehler was once one of the top pitching prospects in all of baseball.

He was the Dodgers’ No. 1 pick in 2015 out of Vanderbilt — the same year his Vandy teammate Dansby Swanson was the No. 1 overall pick in the draft.

It only took a couple of years to make him a Top 100 prospect, and by 2018 he was already one of the best pitchers in the league, a 3.7 bWAR season and third in Rookie of the Year voting.

From 2018-21, Buehler posted a 2.82 ERA and 0.989 WHIP in 95 appearances (94 starts), compiling…