Tyler Mark Scouting Report & Game Video

Position: RHP
Height/Weight: 6’1”, 195 lbs.
Bats/Throws: R/R
Birthdate: October 18, 1994
Hometown: Los Angeles, Calif.
School: Concordia University (CA)
FV (20-80): 50 (RH Set-Up Relief)
MLB ETA: 2020

Dates Observed: July 2, 2018

Team/Organization: Visalia Rawhide (Arizona Diamondbacks)
League/Level: California League (High-A)
Scouting Notes: Showed out extremely well in the second outing I’ve caught in 2018. Four-seam fastball sitting 92-95 here, paired with 91-93 two-seamer, 81-82 slider, and 83-86 splitter, all of which played out more or less identical to my first look back in mid-May (written up below) … Also timed 1.37 – 1.41 to the plate again with runner on first … Arm action really looks good right now; ball is coming out great, release is easy and completely free, arm speed exceptional. Athletic kid, real athletic arm action and back swing … Five strikeouts in two scoreless innings of work across this outing here; splitter responsible for four of the five whiffs; it’s a serious wipeout pitch with real potential against good hitters. Falls off the table at the plate and gives a tough, tough look; I still maintain Tyler Mark could use a bit more feel to experiment with the splitter early in counts, but as long as he tunnels it to the fastball with two strikes and lets it drop off the table, it’ll hunt. After seeing him twice now, for me, Tyler Mark is a 50 FV high-leverage set-up man of the future at ceiling; may fall back slightly to mid (7th) inning relief as he inevitably adjusts against better hitters, but I think there’s real eighth inning potential here for the hard-throwing Arizona Diamondbacks prospect.

Game Video:

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Dates Observed: May 23, 2018

Team/Organization: Visalia Rawhide (Arizona Diamondbacks)
League/Level: California League (High-A)
Scouting Notes: Physical kid with strong frame, explosive lower half; high three-quarters release with some natural plane/life on his stuff working down in the zone. Love his arm action from hand break through release; loose, quick, whippy arm action with free, easy extension through release and follow through; great arm speed manifests itself in good pitch life across the board, ideal look for high-leverage back-end relief at ceiling … Four-seam fastball 92-94 in my look here, paired with 90-93 two-seamer, 80-83 slider, and 83-86 splitter. Timed 1.36 – 1.41 to the plate with runner on first … Fastball has good life; arm-side run back with some boring action in on RHH, particularly on the two-seamer, which is a heavy, hard pitch. Slider shows good tilt and is thrown fairly hard. Splitter was a snack in the mid-80s; extremely difficult for hitters to pick up split, drew some really awkward, bad emergency swings. One tendency to follow moving forward with split — pitch won’t come out with less than two strikes, no feel to throw it in the zone for a strike early in the count; exclusively used as a wipeout pitch late, so hitters should soon realize when it’s going to come. That said, spin is hard to pick up, arm action sells it, and it tunnels well with the fastball until the very end; tough to read out of the hand, real strikeout potential there … Need to see a little more of Tyler Mark as the season wears on here, but he’s got real back-end, high-leverage relief potential with some intriguing stuff.

Game Video:

For several thousand more baseball prospect clips like this Tyler Mark scouting report video, updated every single day year-round and from all across professional and amateur baseball, click here and subscribe to our YouTube channel.




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Bobby DeMuro

Bobby DeMuro is the founder of Baseball Census. A former college and independent league baseball player, he now watches more than 200 games a year working full time for the site. You can follow him on Twitter @BobbyDeMuro for more.

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