
Matthew Hartshorn
@matt_hartshorn2
Pitching Coordinator/Performance Coach @RPP_Baseball Former: Assistant Coach/Data Analyst @RiderUBaseball Pitching Development/S&C Intern @CresseySP
ID: 2968841025
https://bit.ly/3ICGGno 09-01-2015 00:23:31
1,1K Tweet
370 Followers
417 Following

No one more deserving of all the success. One of the hardest workers I’ve had the pleasure of coaching on the mound and in the gym. Remove all of the accolades and he’s still one of the most mature and respectful athletes I’ve met. Sky is the limit, no we go! Graham Keen

Day 1 of the RPP Baseball college assessments. First stop, 2 days Coastal Carolina Baseball. Great seeing Matt Williams and the guys again this year….

Finishing up day 2 of our RPPBaseball college assessments Coastal Carolina Baseball…on to South Carolina Baseball tomorrow….

Finishing up day 4 of our RPPBaseball college assessments South Carolina Baseball …great seeing Terry,Billy, Cory and the guys again!! Next stop UNCW Baseball

Great weekend for South Carolina Baseball getting better and learning from RPP Baseball and Nunzio Signore !! 💪🏼💪🏼💪🏼


We had a chance to chat with Graham Keen at the Area Code Games! Graham Keen is a 2027 two-way from Pittsburgh, PA. Take a minute to listen on his experience at the Games, what he’s looking forward to in his junior year, and how he’s developed as a player! #ACGames25

Day 1 of our #rppcollegeassessments begin today at UNCW Baseball .. . Its great having Kelly Secrest and his crew on board….

Finshing up this round of RPP Baseball #collegeassessments with day 2 at UNCW Baseball .. thanks to Kelly Secrest, Tyler and the entire crew for all the help..see you guys soon!!…




A look into what we provide our players. It’s great to get more 👀 on our players to help with development. South Carolina Baseball


None of this happens without 9️⃣ J.J. McCarthy


80% pen RPP Baseball w/ Matthew Hartshorn Niko Leontarakis: MS & CSCS. Locked in on mvmt + spin eff. Grabbed 24.8 IVB. Building dominant 4S for ‘26: heaters up, knucks in dirt, throwing sh*t outta sldr ‘n chng. Letting it eat w/East Cobb Baseball this wknd. FlexPro Grip Chad Jordan Tim Lemons



Epic weekend w/ the boys from East Cobb Baseball. 8 for 10 @ the dish with a jack (above). (Now 12 for 14 on the fall w 2 HR.) Pitched well, too. 6 Ks in 4 innings. Brought the disgustingness. Grateful to Chad Jordan Kevin Mager RPP Baseball Matthew Hartshorn

Sam French c/o 2028 6’5” 195 lbs Couple pitches from my inning at #WWBAWorlds with East Cobb Baseball. Great team W. Faced future DI dudes. 2Ks and a pop. Lived 85-86. Curve and change worked well. Thanks Matthew Hartshorn for getting me ready. Tim Lemons Chad Jordan


Strong week at #WWBAWorlds with East Cobb Baseball. Learned a ton about the game from coach Tim Lemons Missed barrels and punched tickets. Struck out hitters bound for Tulane, A&M, George Mason & V. Tech. I love this game! Thanks Matthew Hartshorn, RPP Baseball.
