Fantasy Baseball

2021 Fantasy Baseball Week 12 Stock Up/Stock Down

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Welcome to the 2021 Fantasy Baseball Stock Up/Stock Down Week 12 article!

This week, we take a look at some older players who are on one of their hot stretches. These guys are important to grab because oftentimes while they do cool down, these streaks can happen again throughout the season. Ride their hot streaks while they last.

We also take a look at youngsters who were either breaking out this year or broke out already last year. Unfortunately, these players are beginning to go backward, and their stock may be going backward too. Sometimes, the best pickups at the beginning of the season don’t last the whole year and that’s okay.

It’s up to us to find their replacements and not get stuck with little depth or mediocre lineups.

Now enough of this, let’s get right into Week 12! And as always if there are any questions, comments, or concerns feel free to ask on Twitter @MikeSollicito1.

2021 Fantasy Baseball Week 12 Stock Up/Stock Down

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Stock Up

Brandon Belt, 1B, San Francisco Giants

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Brandon Belt seems to go on these types of tears a few times a year, and wow is he on one right now. Over his last seven games, Belt is hitting .417 with three HRs. The power has always been there for Belt, and it seems once he is doing well there’s always a nagging injury that follows.

But for now, let’s hope this continues. While he won’t keep up this level of production, he hits the ball hard and has been in a surprisingly good lineup. The Giants have been very good this year, and Belt has been a big reason as to why they have been so good as of late.

Their offense does not have a ton of names, and while his career-high 32% strikeout rate is worrisome, I expect it to fall back down to the 20-23% mark it usually is at.

Grab Belt now, as he could really surprise you with the production he will be able to put up.

Justin Upton, OF, Los Angeles Angels

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Justin Upton has most definitely turned back time this year. He has been an absolute beast over the last month let alone week. Upton is slashing .333 over the last 30 days with six HRs, 25 runs, and 15 RBI.

He has been moved to the leadoff spot recently, and it has proved wonders for an Angels team on absolute fire right now. With players like Shohei Ohtani, Jared Walsh, and Anthony Rendon behind him, Upton has thrived in the leadoff spot.

His 15:17 BB:K rate over his last 18 games also backs up the notion that what he is doing could be legit. While he is fairly old and has gotten hurt in the past few years as his body declines, the production he is putting up is hard to find on the waiver wire. If he is available in your league, scoop him up right now and enjoy it.

And just think, the Angels could get Mike Trout back in the coming weeks as well.

Kolby Allard, SP, Texas Rangers

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Kolby Allard has sneakily been one of the better pitchers on the Rangers since his move back into the rotation. Coming out of the bullpen for the beginning of the year as he was built up, Allard thrived. The Rangers liked what they saw, and moved him into the rotation.



Since joining the rotation, Allard has gone 20 innings allowing just six earned runs on just four walks with 20 strikeouts. I would take that every day of the week and twice on Sunday from a waiver wire pitcher.

While Allard is still young and did not flourish in the rotation role last year, perhaps he has refined his command allowing him to attack hitters more and take advantage of the weak contact he permits. The command is key here for Allard, and through his first four starts back in the rotation, he is continuing the gains.

Grab Allard now and watch his stock soar especially if he keeps this up. While he is more of a mid 3.00 ERA guy, Allard is pitching way too well to not warrant a bench spot on your teams.

Stock Down

Ian Happ, OF Chicago Cubs

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The fall from grace. Ian Happ helped carry my team last year to the playoffs, and for that I loved his value coming into the season. However, this year has been totally different from last year. This year, while Happ is continuing to hit the ball with force, his very high strikeout rate is holding him back from being successful.

The xBA of .216 also doesn’t paint a rosy picture either. However, he does draw a lot of walks and is currently suffering from a .229 BABIP. While the BABIP is expected to rise and possible positive regression may happen, I am personally fed up with Happ at this point and think he is droppable.

Obviously he has very solid upside and the idea of him turning it around is not too farfetched, I do think that there could be better value on your waiver wire. At the very least I think it is time to bench Happ nightly, but if you can afford to drop him then so be it.

Yermin Mercedes, C, Chicago White Sox

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One of the happier stories in the beginning of the year included this fellow right here. Yermin Mercedes began the year off with a bang, and by the end of the first month was leading the AL in batting average. However, since then it seems SPs have figured him out.

In the last 30 days he is hitting .118 with just one HR, seven runs, and nine RBI. There are other catchers out there like Max Stassi, Sean Murphy, James McCann who have recently turned it on at the plate and may be better options than Mercedes for the season.

Because it is the catcher position, I think Mercedes is droppable unless someone in your league still believes and you can drop him. For me, I know my league does not care about catchers very much and will not trade for one, so Mercedes may be on the waiver wire as soon as a new solid catcher pops up.

Mercedes is a good player and his story was a feel good one in the beginning of the year. His recent struggles suggest that maybe his start to the season was a bit more magical than real, and there is a reason why he never really was given a chance to start consistently in the majors.

Randal Grichuk, OF, Toronto Blue Jays

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Randal Grichuk is a very solid fantasy player and this is by no means me telling you to drop him. This is however, me telling you that George Springer is coming back very soon, and the obvious person to lose out on playing time is Randal Grichuk.

While Grichuk may split time between DH and CF once Springer is first activated, the Blue Jays love to move their lineup around. I believe that Grichuk’s playing time could be in jeopardy.

He started the season out on fire, hitting over .300 for the majority of the season until falling into a slump recently. While he is still hitting .266, I think this is probably where he will end up post-season.



Grichuk is a .260 25-30 HR type of player, which is solid for fantasy but only when he is getting playing time. When he is in the lineup enjoy him, but just be on the lookout for his playing time, and if he starts losing more when Springer comes back he could be a drop candidate.


Be sure to keep an eye on the Fantasy Baseball Content page here at Fantasy Six Pack, we’ve got some great content all season long!

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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