1 of 2
Story summary
- Kevin Alvarez, Houston Astros' top prospect, debuted in MLB spring training.
- Alvarez, 18, signed for $2 million and is expected to start in the Florida Complex League.
- Jordan Yost, Detroit Tigers prospect, hit a grand slam in his first plate appearance.
- Josh Kasevich, Toronto Blue Jays' prospect, has hit .300 this spring, though concerns linger about his previous Triple-A performance.
1 / 2
