2025 MSHSAA Team Preview: Winnetonka Griffins
March 4, 2025
The Missouri high school baseball season kicks off on Mar. 20, opening day for regular season action under MSHSAA regulations. Leading up to opening day, we’ll be publishing our team previews ahead of the 2025 spring season, touching on programs spanning all state classifications, counting down to the official Prep Baseball Missouri Preseason Power 25 Rankings.
Perennially, we’ve submitted a preseason questionnaire to high school head coaches across the entire state. Their responses have been flooding in and we’re using the detailed insight they’ve provided in our team-by-team preseason analysis.
Our 2025 preseason coverage continues today.
Head Coach: Troy Sielaff (first year as Head Coach but Assistant at Winnetonka for 15 years)
Classification: 5A
2024 Record (Finish): 18-8 (Lost 1st Round of Districts)
2025 SEASON OUTLOOK
No. of Returning Position Players: 9
No. of Returning Pitchers: 8
Top Returners:
- LHP/1B Mason Crockett (2026) - 5'10", 220lbs, R/L
- MIF/RHP Dylan Kroll (2026) - 5'11", 155lbs, R/R
- 2B Landon Erwin (2025; Blackburn) - 5'7", 150lbs, R/R
- CF Bradley Allen (2025) - 6'0", 170lbs, R/R
- C Corbin Henderson (2025) - 6'0", 250lb, R/R
Key Players Lost: None
Coach’s Insight: “With 9 returning Varsity starters, we have depth at all positions. We will need to focus on consistency to reach our goals.” – Troy Sielaff, head coach
Find more information on the 2025 Winnetonka program below:
+ Follow them on X: @WTonkaBaseball
+ Visit Prep Baseball Missouri’s 2025 MSHSAA Team Previews page to learn more.
+ If you are a high school coach and didn’t receive our questionnaire, please click HERE to fill out the form