Isn’t it nice when things work out? At the height of draft season, Nolan Arenado was elevated into the top 50 despite career-highs of 18 HR, 61 RBI, and 133 games played (and not all in the same season). It was a calculated gamble on someone who hadn’t exactly done it for a full season yet. He showed a ton of promise as a high-contact power hitter (13% K, .173 ISO coming into ’15) who also had the security blanket of Coors Field.

Of course, we now know that it really couldn’t have gone better and being drafted 50th was actually a bargain by season’s end as he finished as the 5th-best player overall. Arenado blasted an NL-best 42 HR and drove in an MLB-best 130 runs in 665 PA as he missed just five games all year. His strikeout rate was a career-high 17%, but that’s still better than most power hitters. Of the nine hitters who popped 40+ HR, he was third to only Albert Pujols (11%) and Jose Bautista (16%).

And yet… (yep, I actually have something to complain about within his excellent season)

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Take away the guys with shortstop eligibility, or second base eligibility. Take away the hurt third basemen that should have been stars if they were on the field more often. Take away the backups that accumulated enough time to be relevant. Take away the stars that played like stars. Take away the rookies that just came up and didn’t get full seasons.

Who’s left? By definition, they’re not stars. But they are starting veteran third basemen that stayed healthy and put enough numbers to be relevant. Could you define the under-rated player any better? Who else is less exciting to draft than that guy that’s going to hit for a middling average, with middling power, a few steals, possibly at the bottom of the order?

And, yet, Trevor Plouffe and Brett Lawrie were both above replacement level third basemen this year. Considering that many of the players above them had other eligibilities, they may have been good enough to start at third in many leagues.

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2015 Visualized: Second Base
2015 Visualized: First Base
2015 Visualized: Catcher

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For the next few weeks, the RotoGraphs staff will devote an entire week to each defensive position, including spotlights on particular players as well as trends throughout the 2015 season. This week, we’re highlighting third basemen.

I don’t claim to be a Tableau (or data visualization) whiz by any means, but I thought it would be cool to visually represent the third base landscape in 2015 — with some analysis sprinkled in.

Steamer and ZiPS represent premier player projection systems; FanGraphs’ Depth Charts combines the two, and the writing staff allocate playing time accordingly. The playing time part is less important relative to the combined projections, as aggregated projections tend to perform better than standalones.

I compared projected wOBA (weighted on-base average) from the preseason to actual wOBA (1) by team and (2) by player within team. Unlike WAR, wOBA is a rate metric, so it does not need to be scaled according to playing time.

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I wrote a lot about Mike Moustakas heading into the 2015 season. First, I asked whether there was any hope for the man affectionately known as Moose Tacos. Although if you stared closely enough at his statistical trends, you could see a tiny seed blooming painfully slowly, it seemed obvious that there were too many flaws to make him worth a roster spot outside of AL-Only leagues. I then took another, perhaps closer look, three months later and proclaimed that the Moustakas breakout was upon us.

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The 2015 fantasy baseball season has come to a close, so it is time to look back at the season past and determine which players were the most valuable at each position. After looking at catchers last week, we continuing moving around the diamond and focus on third base.

The players were ranked based on their 2015 production, using the evaluation system explained and updated on this site some time ago. The valuations are built for $260 budgets and standard 5×5 roto fantasy leagues, where only one catcher is started. Players are listed only at their primary positions from 2015.

One important thing to note is the premium (or lack thereof) placed on the position a player occupies in your lineup. For example, while a first baseman may be able to accumulate superior overall numbers, the availability of such production lower in the rankings severely dampers the amount the player was worth. These rankings are meant to reflect a player’s value should he have occupied this spot in your lineup for the entire year. A player who missed time due to injury but put up great numbers during his time on the field would be worth less.

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As the season draws to a close, and the Red Sox try to push their record to .500, there’s plenty of blame to go around. The rotation didn’t end up working out, really, and there’s more than one high-priced acquisition that fizzled in his first year. But if you sort the leaderboards for the worst players in baseball this year, one name drifts to the top: Pablo Sandoval.

The easiest analysis is to say that he’s been better in the past and will be better again. And one-year defensive samples are certainly part of this story, so he could easily get back to being a decent defender and recover his value that way. That said, Sandoval has lost nearly forty points of adjusted offense, and that seems extreme. It’s even worse for second place on the losers list, as Victor Martinez has lost a whopping 90 points of weighted runs created plus from last season to this one.

Victor Martinez just showed us the worst single-season drop-off since free agency began.

Can we just pencil Martinez and Sandoval into their career numbers when they’re on the wrong side of this single-season dropoff leaderboard?

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Every year, there are players who — for whatever reason — go completely overlooked in fantasy leagues, despite providing solid value. This year is no different. For today’s example, take Derek Dietrich.

The 26-year-old has been highly productive since his call-up in mid-June, hitting a robust .261/.368/.504 with seven homers in 136 plate appearances. However, his ownership rates remain miniscule (1% Yahoo, 1.9% ESPN, 4% CBS).

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To me, the saying “opposites attract” is all about baseball, and not just because I’m single. Of course the “opposite” in this context means hitting the ball the other way. Now as you probably guessed from the title, I’ve taken a keen interest in Mike Moustakas smacking the ball to the opposite field this season, a new development for the left-handed hitting third baseman. He owns an impressive .297/.357/.441 batting line, good for a .349 wOBA. A number of things have improved in Moustakas’ game this season, but we’ll first focus on his batted ball splits. The defensive shifts haven’t paid off against him this season when compared to prior years, and the table below helps show why. Read the rest of this entry »

It might be the start of the second half so far as real baseball is concerned, but for us fantasy folks, we’re deep into the middle of the 2015 stretch run. Whether you’re looking to plug in some spare parts to aid your efforts or just need some warm bodies to fill your roster as you mull a fire sale, here are two players unowned in the vast majority of leagues who could help your cause.

The usual fine print: The players in this column are typically better suited for mono leagues, and the ownership percentages are by way of CBS.
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While shortstop has been a wasteland, third base has been the infield oasis. Third base has turned out to be remarkably rich this year with some established guys taking another step forward and a strong core of young guys jumping a couple levels and arriving ahead of schedule.

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