A huge thank you to everyone who continues to recommend me and send athletes my way! The support and word-of-mouth referrals mean so much to me.
If you know me, you know I would love to find a way to work with every athlete who reaches out. Unfortunately, with my current schedule and growing waitlist, that's becoming harder to do.
To help create more opportunities, I'm starting a GroupMe cancellation list. Whenever a spot opens from one of my weekly lesson athletes, I'll post it in the group. These will be 45-minute, 1:1 lessons available on a first-come, first-served basis.
At the moment, my regular schedule is completely full, so unless a weekly spot becomes available, this will be the best way to get on my lesson schedule.
If you'd like to be added to the cancellation group, comment or send me a message!
Theresa DeCosty Softball Instruction
1:1 private hitting instruction for softball players in the STL area. Specializes in slap hitting.
Pitchers‼️ Great opportunity to sub this weekend!
If interested, contact Madalyn Bone at 636-524-2772
I’d always keep a slapper in my lineup.
Speed doesn’t slump!
5/6 hole all day @ Addie Feise 😮💨🥎
04/01/2026
Hadley Ayers absolutely CRUSHED her plank goal! 💪🏼
From 2 minutes in January to 4 minutes in March - huge progress and a great example of what consistency and hard work can do. This girl sets high goals for herself and I can’t wait to watch her keep reaching them!
03/31/2026
Using The MillerMat to stabilize the lower half while we focus on improving the top half of the swing for slap hitters 🥎
03/26/2026
January → March 👀 3 months of hard work for Harper Regan!
Harper’s Winter Training 🔑
• 2x per month 1:1 lessons (45 min)
• 3x per week personalized programming (hitting drills, mobility, explosiveness, core, etc.)
• Consistent communication and accountability at home through our shared app
Harper gained 3 MPH in exit velocity 😮💨🥎
Consistency, commitment and daily effort add up.
Hard work wins, always!
03/23/2026
Camryn Cullmann, Midwest Lady Rebels 14u-Nowack, with a walk-off hit this weekend in Columbia, MO to keep her team alive 🥎💥
First tournament of the season - Day 1 had some struggles - Day 2 Camryn came through with her first hit of the weekend…a walk-off when her team needed it most.
Softball is a game of failure and resilience. Short memory, keep competing and be ready for your moment. No better feeling than winning the game for your team 💯
03/16/2026
One month difference 💪🏼
Staying stacked in the crossover position helps keep the body balanced and allows power to transfer through the swing.
Whitney Drapalik, St. Louis Chaos 2010, has been putting in the work on the small adjustments. The smallest changes are often the hardest to make, but they can create the biggest results. Head tilt and posture are common issues that are usually easiest to catch when watching film. A good reminder to record yourself and review your swings! 🥎
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1496 Hoff Industrial Ctr
O'Fallon, MO
63366