2021 Mariners Draft Tracker
Which college pitcher will they take THIS year? (Kidding. Kind of.)
Draft day, no matter the sport, is a chance to dream big and hope for better things ahead. In baseball, it’s a bit more complicated, since college baseball lacks the traction that college basketball and football have, and there aren’t exactly a lot of televised high school games either.
But for those of us here — those wayward souls heavily invested in the Seattle Mariners — draft day has been an annual event that we circle on our calendars. And that’s why we have this post, a live draft tracker to keep track of all our picks.
We’ll be updating it live with every selection the Mariners make.
Some pre-draft reading, taken from our nifty 2021 MLB Draft Hub:
- Joe Doyle’s 10 round mock draft, which predicts that the M’s will select UCLA shortstop Matt McLain
- Another piece from Joe about three dark horse candidates for the selection
- The latest episode of They Might Be Mariners, where Joe, John Trupin, and Kate Preusser get into a five-round Mariners mock
More to come shortly — we’ll have all the coverage here.
4:12pm PT: The most popular rumor right now is that the Pirates are taking Henry Davis out of Louisville at 1-1. Davis is a bit of a surprise (most mocks have tied them to Marcelo Mayer or perhaps one of the Vandy pitchers, namely Jack Leiter), but will likely allow them to allocate more of their budget for later rounds. It’s doubtful that this surprise pick will affect the Mariners down at #12.
4:16pm PT: Here’s a helpful tweet from @CespedesBBQ that compiles many of the major mock drafts — though not ours, what the heck, guys?
MOCK DRAFT WARS
— Céspedes Family BBQ (@CespedesBBQ) July 11, 2021
here are the final mock drafts from all the most prominent outlets! everyone already got #1 wrong, so we're in for a wild night!!!
will be keeping track of who does the best pic.twitter.com/ohN6Ris1gG
Five different players (Sal Frelick, Matt McLain, Harry Ford, Ty Madden, and Colton Cowser) are mocked to the M’s.
4:17pm PT: Yep, it’s confirmed. Henry Davis is a Pirate. The Rangers are now on the clock. Will they call Jack Leiter’s bluff and take him, rather than let him fall to Boston at 4 (where he’s believed to want to go)? If you want Kate’s take:
A little surprised the Pirates went with Henry Davis, as a lot of the talent in their system is younger, but as I wrote in the @baseballpro annual comments for the Pirates this year, "behold the field in which the Pirates grow their catching prospects, and see that is is barren."
— Lookout Landing (@LookoutLanding) July 11, 2021
4:20pm PT: The Rangers take Jack Leiter out of Vandy. Man, it’s a bummer to see them take a good player. I’m going to keep embedding Kate’s tweet thread in this post after each pick:
The Rangers take Jack Leiter with the second overall pick. Leiter joins a strong contingent of pitching in Texas's system; choosing a refined college arm over the toolsy prep SSs avail. seems to indicate the rebuild in Texas is seen as further along than some others might think.
— Lookout Landing (@LookoutLanding) July 11, 2021
4:27pm PT: Even with oft-projected top pick Marcelo Mayer on the board, the Tigers select a different high schooler at #3, taking RHP Jackson Jobe out of Oklahoma.
The Tigers built a pitching-heavy rebuild that's now mostly graduated but seem to be starting a new wave with prep righty Jackson Jobe; either that or they think Jobe can move very quickly.
— Lookout Landing (@LookoutLanding) July 11, 2021
4:34pm PT: Ugh. I hate the Red Sox having good things happen to them. Marcelo Mayer is the pick, and when you’re taking a guy thought to be the top pick at #4, that’s not bad. Of course, anything can happen, and it’s hard to project 18-year-old guys.
Boston has to be thrilled about having their choice of the prep SS class to be the keystone of the next great Red Sox team after this contention window closes. They take Marcelo Mayer, because, duh.
— Lookout Landing (@LookoutLanding) July 11, 2021
4:36pm PT: Aw, crap, the Orioles took the guy I really wanted to fall to the M’s in Colton Cowser. Seems likely that he took quite a deal, likely $1m+ underslot, a year after the Orioles went $2.5m underslot with Heston Kjerstad.
Orioles become my sworn enemy, taking college OF Colton Cowser, who I wanted for the Mariners. A smart pick for the O's, though; Cowser's on-base ability and hit tool will pair nicely in a 1-2 punch with Rutschman at the top of the lineup.
— Lookout Landing (@LookoutLanding) July 11, 2021

