Michael Kopech (b. 1996)

The White Sox’s No. 2 prospect entered Monday with a 9.00 ERA in his last four starts, with more walks (21) than strikeouts (20).

Three sluggers combine to hit six homers Monday, and Bo Bichette continues to heat up.

The rapid progress shown by Michael Kopech at low Class A in 2015 allowed one scout to easily adjust his grade.

Dodgers prospect Drew Jackson turns in one of his best days as a pro, and A’s catching product Sean Murphy stays hot.

Alex Kirilloff homers twice Thursday night, continuing a strong return from Tommy John and making him a possible mid-season promotion candidate.

A look at some of the hottest prospects in baseball over the last week, starting with none other than Vladimir Guerrero Jr.

Prospects who can put on a show every time they step on the field.

The top four prospects in the system, plus last year’s first-round pick, were all banged up at various points this spring.

Tools are a basic building block of our coverage at Baseball America.

Baseball America’s signature rankings.

The top 10 prospects in the Chicago White Sox’s farm system.

The Southern League boasts Ronald Acuna and lots of top arms.

Scot Gregor chooses postseason award winners for White Sox prospects.

Precocious young hitters stand poised to dominate for years to come.

If BA set expanded September rosters, these 10 players would be on them.

There aren’t many more challenges for Ronald Acuna.

Rhys Hoskins tops the Hot Sheet for the second time this season.

Michael Kopech did not walk a batter for the first time this season.