Waiver Worthy: Which Hot Adds Are Worth Grabbing (Jake Arrieta, Kyle Gibson & More)

by Eric Stashin (aka The Rotoprofessor)

Let’s take a quick look at the most added players (according to CBS Sports as of Tuesday) to try and determine if they are worth adding or if fantasy owners should pass:


J.D. Martinez – Detroit Tigers – Outfielder
Add Percentage – 53%

With the way Martinez has produced, seeing owners finally flock to the waiver wire for him shouldn’t be surprising as he’s clearly changed at the plate and is showing more power than ever before.  Between the Majors & Triple-A he has 17 HR in just 193 AB and he’s also tattooing the ball in the Majors (25.0% line drive rate).  That said, he does have a notable split:

  • vs. RHP – .395/.414/.716
  • vs. LHP – .094/.171/.281

It’s something to keep in mind, since he’s not going to be an everyday player (especially with Andy Dirks nearing a return).

I’d consider Martinez over Nick Markakis, Colby Rasmus


Jake Arrieta – Chicago Cubs – Starting Pitcher
Add Percentage – 40%

Arrieta was on this list last week (click here to view) and things continue to look up for him.  He’s showing strikeouts (9.90 K/9), control (2.70 BB/9) and groundballs (53.0%) as he’s worked a cutter into his repertoire.  Once a bright prospect, he’s definitely worth grabbing in all formats at this point.

I’d consider Arrieta over Tanner Roark, Jake Odorizzi or any backend veteran


Kyle Gibson – Minnesota Twins – Starting Pitcher
Add Percentage – 36%

Gibson entered Tuesday having allowed 0 ER over his past three starts (21.0 IP), so it’s no surprise that owners are rushing to the waiver wire for him.  He’s showing control (2.71 BB/9) and groundballs (55.8%), but thus far has lacked the strikeout stuff to really garner our attention (4.99 K/9).  An 8.4% SwStr% does indicate the upside for a better mark, as does an 8.0 K/9 over his minor league career.  However, until he starts generating Ks routinely (8 K in his last outing was the first time he had more than 5 K this season, second time over 4) he’s going to be more of a back end option.

I’d consider Gibson over Henderson Alvarez, Jason Vargas


Mark Melancon – Pittsburgh Pirates – Relief Pitcher
Add Percentage – 31%

Moved back to the closers role, this was going to be the most obvious hot add in the game.  He’s shown the ability to thrive in the role and may not relinquish it moving forward.

I’d consider Melancon over any non-closing RP


Jesse Hahn – San Diego Padres – Starting Pitcher
Add Percentage – 24%

We are posting an in-depth look at Hahn later today, so we are going to save this for now.  Make sure to check back to see if we consider him a must add or not.


Jeff Locke – Pittsburgh Pirates – Starting Pitcher
Add Percentage – 24%

Since returning from the minors he owns a 0.68 BB/9, but does anyone believe that?  He’s shown a little bit more strikeout stuff than Kyle Gibson (6.49 K/9), but also fewer groundballs (49.4%).  He had a 6.9 K/9 and 4.0 BB/9 at Triple-A prior to his recall, so it’s not likely that he maintains what he’s currently doing.  There’s upside, but don’t go nuts.

I’d consider Locke over Jhoulys Chacin


Sources – CBS Sports, Fangraphs

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  1. mark says:

    how about steve pearce as a p/u and thoughts on sonny gray over
    alex wood.
    thoughts of future past..are you going to have your fantasy football league again this year is so i would like to be a part of it again.i am the guy who talked to you about getting some of your mugs losing starts with second place- do you have any left and if so can i buy some
    thx mark in tucson

    • Rotoprofessor says:

      I e-mailed you about the mugs way back when, but I will let you know (and yes, the football league is once again in the works. Will and I just need to get on the same page). As for the others:

      Pearce – I like him good enough, but he’s the type of player to ride while he’s hot and not become too attached to. He’s playing well, but hard to imagine him maintaining this.

      Gray/Wood – Right now I have no issues with either one and both are must own. No way to keep both?

      • mark says:

        if I missed your mug reply sorry but still interested
        I was able to pu wood and yes I have gray as well.
        thx mark

  2. Meats says:

    Zunino? D’Arnaud? Navarro?

    • Rotoprofessor says:

      I’ve touched on all of them since yesterday either in our 10 Stories columns or in specific articles. Are you looking for a ranking of the three?

      If so, I’d go like this as of today:

      d’Arnaud (though, he may have the highest upside)

      Problem is d’Arnaud needs to prove he can keep it going.

  3. Bryan Shisler says:

    Time to add Taijuan Walker to this list? If I understand Ray Flowers correctly, he seems to think Walker is a better pitching prospect than Haney (which I own), what are your thoughts?

    • Rotoprofessor says:

      Walker is widely viewed as the better prospect of the two, though Heaney pitching in the NL does help bridge that gap. Walker will almost undoubtedly be on this list next week, especially if he does get recalled for the Monday start.

      That said, Walker has had some control issues in the past (including a 4.24 BB/9 at Triple-A last season) so there is risk involved. He is absolutely worth stashing, but don’t figure him as a player you can pencil in and forget about.

      • Bryan Shisler says:

        Would you rather take a chance on Walker as an end of rotation SP, bench during bad match ups, or continue to roll with the safety of Willy Peralta? Pick 2 to own: Haney, Walker, Peralta as your SP 6,7 (9 pitchers, 2 RP) head to head weekly pts.

        • Rotoprofessor says:

          Are there keepers involved? If not, I’d probably go with 1 of the rookies and then the safety of Peralta. Ideally I’d like to stash both and see who develops, but if it’s a shallow bench you don’t have that luxury.

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