Sean Sullivan, the Colorado Rockies' No. 12 prospect, is a 21-year-old left-handed pitcher who made an impression as the team's second-round pick in 2023. Regarded as a prospect to watch, Sullivan's impressive college statistics and strategic pitching style, particularly his plus fastball, have garnered attention. His early professional appearances also showcased his potential for dominance, earning praise from Rockies' general manager and offering a glimpse of his performance. However, despite his potential, there are differing views on his future as a professional pitcher.

By the Numbers
  • Selected as the 46th overall pick in the 2023 draft
  • Threw 69 2⁄3 innings in 17 college games with a 2.45 ERA, 0.92 WHIP, and a 14.3 K/9 rate
  • Received a $1.7 million bonus from the Rockies
Yes, But

There are differing views on Sullivan's potential, with some seeing him as a future big league starter, while others project a low-leverage role in the bullpen.

What's Next

Sullivan's initial assignment to High-A for the 2024 season with a potential move to Double-A by season's end could significantly impact his standing within the Rockies' system, based on his performance.

Bottom Line

Sullivan's early career showcases considerable promise, but there are differing opinions about his future role in professional baseball, making his performance in the upcoming season a crucial factor in determining his trajectory within the Rockies' system.