Jim Callis and Jonathan Mayo break down the teams that survived and the prospects who stood out in the first round of the NCAA Tournament.

In addition: comparing potential No. 1 overall picks Marcelo Mayer and Jordan Lawlar and putting them in the context of a historically deep high school shortstop class, Jarred Kelenic's rough first taste of the Majors and what it might mean for the future.

Also on the docket: former No. 1 overall picks Adley Rutschman and Spencer Torkelson heat up, the latest addition to the Top 100 Prospects list (Rockies LHP Ryan Rolison) and our weekly mailbag question.

On the MLB Pipeline Podcast, Callis and Mayo are your tour guides through all the unfolding stories and breaking news of baseball's top prospects. Each week, you'll find out about the stars of tomorrow from the guys who know today. Download, subscribe and help others find the show by leaving a rating and review on iTunes or your favorite platform.