Walker Buehler won a World Series last year with the Los Angeles Dodgers, a team that’s stocked with starting pitching.

According to Jen McCaffrey of The Athletic, Boston Red Sox starting pitcher Walker Buehler threw his first bullpen session on Saturday. McCaffrey noted that manager Alex Cora was "pleased" with Buehler's first session.

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The Boston Red Sox had already made waves this winter, adding both Garrett Crochet and Walker Buehler in two massive upgrades to the team's struggling starting rotation. However, the Red Sox weren’t done,

It's hardly been a week since we first saw Walker Buehler don a Boston Red Sox uniform. But before we know it, he'll be putting the finishes on his first, and for all we know, only season with his brand-new team.

Boston spent the offseason adding to its starting rotation, adding Garrett Crochet, Walker Buehler and Patrick Sandoval.

The Boston Red Sox had an active offseason on the pitching side acquiring frontline starters Walker Buehler and Garrett Crochet, while also bolstering the bullpen by adding flamethrowing southpaw Aroldis Chapman and right-hander Liam Hendriks.

The Boston Red Sox are one or two moves away from completing a near perfect offseason. The Red Sox traded for Garrett Crochet from the Chicago White Sox before adding free agent Walker Buehler to the starting rotation as well.

Lucas Giolito took a big step forward at JetBlue Park on Tuesday and feels like he'll be ready when Opening Day rolls around for the Red Sox.

While Garrett Crochet, Walker Buehler, and Alex Bregman are among the big prizes of the Boston Red Sox offseason, the Patrick Sandoval signing has not been discussed enough.

His Dodger days -- memorable in so many ways -- are now a thing of the past. That said, Walker Buehler embraced Wednesday: His first day at Spring Training with the Red Sox.