Fantasy Baseball

2021 Fantasy Baseball Week 18 Stock Up/Stock Down

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Welcome to the 2021 Fantasy Baseball Stock Up/Stock Down Week 18 article!

This week we have some players who are finally getting the playing time they deserve – and are doing well with the opportunity. There are also some players who were highly thought of in the offseason and during the course of this season but have fallen cold at the plate recently.

If you’re able to make a solid pick up and he is on your bench, don’t be afraid to bench a name like Matt Chapman who has been cold as of late. Play the lineup that allows you to win at that given moment, not one with star-studded names who aren’t doing as well.

Also, don’t be afraid to take a stab at a player. Whether that’s off the waiver wire or as a throw-in during a trade. It’s not bad to maybe take a look under the hood to see if that player’s worth a grab now due to future positive regression.

If you’ve got any comments, questions, or concerns reach out to me on Twitter @MikeSollicito1! Let’s get into Week 18!

2021 Fantasy Baseball Week 18 Stock Up/Stock Down

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Stock Up

Rowdy Tellez, 1B, Milwaukee Brewers

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Rowdy Tellez ended last year off in a fantastic way, leaving many to buy him as an offseason sleeper. However, with the Blue Jays additions of Marcus Semien and George Springer, Tellez fell out of a starting role.

Being brought in as a bench role to start the year due to injuries, Tellez did not perform well. This led to him being sent down to the minors where his fantasy value was no more. Fast forward a bit, and he is now on the Brewers after being dealt by the Blue Jays and starting every day.

The Brewers have a very underrated lineup featuring Willy Adames, recently acquired Eduardo Escobar, Christian Yelich, etc. With Tellez bringing massive power and a very good approach at the plate, Tellez has the ability to take off in Milwaukee similar to Adames.

Buy Tellez now before it is too late, as I think he will be a popular target next year in drafts.

Brendan Rodgers, 2B/SS, Colorado Rockies

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Brendan Rodgers was a top prospect for years, however, injuries caused him to fall down some lists. Now playing for the Rockies in a somewhat everyday role, Rodgers has thrived.

Over his last 15 games, he is hitting .316 with four HRs and an OPS over 1.000. While the power is fantastic, I’m not sure it stays this impressive, but the hit tool has always been there. He is showing better discipline at the plate as well, striking out 20% of the time and walking about 7%.

The exit velocity and hard-hit rates aren’t anything to write home about, but playing in Coors will definitely help that. I do think he is worth a grab on the waiver wire right now due to the fact that he is starting daily. If you’re in need of 2B/SS help, you could do much worse than Rodgers.

However, I would not go all out on adding Rodgers. This recent stretch has been nice, but it also comes with a .246 xBA on the season. He’s got upside and is doing well now, but don’t be surprised if in a week or two he’s cooled off.

Akil Baddoo, OF, Detroit Tigers

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Akil Baddoo is a fantastic story. Rule 5 Draft Pick taken by the Tigers from the Twins. He was so damn hot to start the season, making him look like a steal. However, that came with strikeout issues that all rookies face at some point.

He was sent back down to the minors and after being called up was used strictly in a platoon. That worked out well, and he began to go on a tear, hitting over .300 over 30 days in that platoon role. Since then, he has continued to play well. Over his last 30 days, he is hitting .250 with five HRs, two SBs, 19 RBI, and 17 Runs.


Leading off for the Tigers lineup isn’t exactly a great thing, but for the time being Baddoo has been flourishing in that role. He isn’t anything special but has a nice power/speed blend that is more than worthy of being on a fantasy roster.

Give him a grab in hopes that he has settled in as a major leaguer and this is who he is. If that’s the case, enjoy the rise because we have a potential 15/20 candidate on our hands.

Stock Down

Matt Chapman, 3B, Oakland Athletics

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Matt Chapman just has not looked like the Matt Chapman we were expecting him to be as he got older and better. Instead, Chapman has taken a slight step back at the plate, no longer able to hit for a respectable average.

The power is there, but he has not looked like himself at the plate. Chapman has seen his strikeout rate soar to 35.5% last year and now to a 31.5% this year. That’s a huge increase from someone who only was striking out 21.9% of the time in 2019.

So what happened? It looks like Chapman, like Austin Meadows, bought into the launch angle theory a bit too much. While this allows the power to still be there, the change to their swing causes them to strike out more. When contact is made, it is loud. But that’s when it’s made.

For Meadows’ sake, he walks a lot and the power is legit. As for Chapman, the walks are great too, but the power that you’d expect from him is just not there. He is not a drop for me, but wow I would definitely be benching him right now.

Fantasy-wise, he’s Kyle Seager with a more popular name change my mind.

Trent Grisham, OF, San Diego Padres

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Trent Grisham, how I love you. Wow, he was one of my favorite players to draft this offseason and it has not totally worked out. Between injuries and the exit velocity and hard-hit rates not being as great as we thought, Grisham no longer looks like the potential 20+/20+ player with a solid average.

Instead, he now looks like a maybe 15/15 guy with room for a bit more with a .250 average. He is not bad by any means, but he especially as of late looks lost at the plate. Hitting below .200 over his past 30 days, Grisham is beginning to worry me.

The upside is still there, but I was way too high on him. He is no longer worthy of starting every day in fantasy unless you need to, and is more of a bench player for me until he wakes up a bit.

Obviously, tools for the power/speed upside we dream on for fantasy are still there, so he should still be on rosters.

Max Kepler, OF, Minnesota Twins

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Max Kepler has been a curious player to own this year in fantasy. He has been banged up with injuries this year, and when healthy just seems lost at the plate. The BaseballSavant page paints some better days ahead as he has solid plate discipline and hits the ball hard.

However, that doesn’t seem to be the case when you watch him or own him in fantasy. He is borderline droppable for me, and I would say if you have someone producing on the waiver wire he is worth the drop, but if you are able to hold on your bench then I would do that.

The underlying metrics present better days ahead, but they’ve painted that for a month now and he hasn’t really improved. The Twins lineup is also a bit worse right now with Nelson Cruz gone, Alex Kirilloff out for the year, and Trevor Larnach cold as ice at the plate.



I myself would give him another week or two, and if you desperately need someone producing, I’d drop him and hit the waiver wire.


Remember, you do not want miss out on the Fantasy Baseball Content here at Fantasy Six Pack as the fantasy season chugs on!

About Mike Sollicito

Mike Sollicito is currently a student at Hofstra University. He is majoring in Sports Journalism with a minor in psychology. Sports are essentially his life, especially Fantasy Sports like baseball and football. With numerous wins in baseball and football, Mike seems to know how to run his fantasy teams well. Always looking to help others in fantasy, be sure to follow him on Twitter @MikeSollicito1

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