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Statcast Hitter Studs and Duds - Barrels (Week 4)

Pitcher Studs and Duds - BABIP for Week 3

Welcome back to RotoBaller’s pitchers risers and fallers article series! Each week we will select an advanced stat, choose two risers and two fallers, and analyze what those stats could mean for future fantasy output. The next stat we will use is BABIP, or batting average on balls in play. BABIP is rooted in three... Read More

6 days ago

Statcast Hitter Studs and Duds - xwOBA (Week 3)

Welcome back to our weekly Statcast Hitter Analysis series. Each week, I will select a different metric to evaluate surprising names at the top and bottom of the Statcast Leaderboards. Many fantasy baseball owners are starting to see the value of MLB's Statcast advanced stats in order to help identify potential risers and sleepers. Just as... Read More

6 days ago

Statcast Hitter Studs and Duds - Exit Velocity for Week 2

Welcome to this year's first iteration of Statcast Hitter Analysis. Each week, I will select a different metric to evaluate unexpected names at the top and bottom of the Statcast Leaderboards. Even if you aren't well-versed in Statcast, you know exit velocity. Even the crustiest of old-school baseball announcers have incorporated this term in his... Read More

2 weeks ago

Statcast Pitcher Studs and Duds - xwOBA for Week 2

Welcome to the first edition of Statcast pitchers analysis this season! Statcast provides a ton of interesting and insightful advanced metrics that we can use to predict future fantasy performance. Each week we will select one of these stats and choose two risers and two fallers to analyze and ultimately determine what those stats could... Read More

2 weeks ago

Five Hitters Whose Barrels Rate Makes Them Undervalued

Baseball is back! The nostalgic diamond traditions of cracker jacks, oat sodas and intricately-designed grass patterns have finally returned. Most importantly, the boys of summer are once again fine-tuning their five tools for the upcoming season. In 2016, Major League Baseball expanded its research on exit velocity and launch angle by introducing Barrels. Barrels not... Read More

1 month ago


Nicholas Castellanos - Unfortunate Barreler of Baseballs

In 2017, Nicholas Castellanos made outs on 17 of his barrels, which led Major League Baseball. In 2018, Castellanos again made outs on 17 of his barrels, which led Major League Baseball. Even stranger, it was a continuation from the 2016 season, when Castellanos barreled up 13 outs, which ranked ninth and was also the most of... Read More

3 months ago

Statcast Review - Noteworthy Hitting Leaders (xSLG)

xSLG isn’t a stat you’ll find on the back of a baseball card or one you’d find on a baseball reference page. However, as far as advanced stats go, xSLG is pretty straightforward. It is the expected slugging percentage of a hitter based on hit probability his batted balls in play, regardless of outcome. So if... Read More

4 months ago

Using Sabermetrics For Fantasy Baseball Part 1 - BABIP for Hitters

Hello fellow RotoBallers! Sabermetrics have become an integral tool for fantasy baseball draft prep, but a concise resource for understanding the basics can be difficult to find. This series attempts to define and explain all of the metrics fantasy owners may find useful, citing examples of how to use them in the process. Twenty degrees... Read More

4 months ago

Statcast Review 2018 - Noteworthy SP Launch Angle Leaders

Fret not fantasy baseball fans, Winter Meetings have come and gone, big deals are getting struck, and we are continuing our quest to find value for next season! In this edition of Statcast Review, I take a look at some of 2018’s pitching leaders in launch angle. Launch angle alone is not all that telling... Read More

4 months ago

Statcast Review - 2018 Pitching Leaders (Exit Velocity)

Frost has layered baseball diamonds across the country. The holidays are the darkest times for baseball junkies, with the World Series miles in the rearview mirror and Spring Training too far away. Luckily at RotoBaller, we try to match the flurry of real front office activity with ample offseason fantasy content of our own. Exit... Read More

5 months ago


Statcast Review - 2018 Hitting Leaders (Exit Velocity)

After a full fantasy season of using Statcast measures to predicting risers and fallers each week, it’s time to take a step back and view the big picture. One of the most straightforward Statcast measurements we relied on was exit velocity or the speed the ball comes off the bat immediately after being hit. It... Read More

5 months ago

xwOBA Leaders – Statcast 2018 Year-In-Review

Congrats to our friends in Beantown for winning the World Series. Fantasy baseball has reached the early hours of the offseason which means it’s recap time. While we indulge in football, basketball, and hockey on the big screen, why not get a head start on some early 2019 baseball research? During the season, we explored... Read More

6 months ago

Barrel Leaders - Statcast 2018 Year-In-Review

The 2018 MLB season was full of memorable moments and rife with power. It's unexpected to see that there was a noticeable dip in power numbers, despite the 5,585 home runs hit by Major League players. In 2017, that figure was up at 6,105 HR. Homers make the highlight reels but don't tell the whole story... Read More

6 months ago

Statcast Hitter Analysis - Launch Angle Risers/Fallers (Week 24)

It's impossible to resist making a pun about launch angle leaders being real "risers" so let's get that out of the way first. Now, let's recognize that launch angle can, but does not always, be an indicator of power production. For this reason, we'll need to look at the names which stand out on the... Read More

7 months ago

Statcast Hitter Analysis - Exit Velocity Risers/Fallers (Week 23)

Even if you know very little about Statcast, you know exit velocity. Even the most hardened, old-school baseball announcer has at least incorporated this term in his vernacular, if nothing else related to sabermetrics. As the second half progresses, we'll take another look at this important stat by examining the last month's worth of data... Read More

8 months ago


Statcast Hitter Analysis - xSLG Risers/Fallers (Week 20)

We've looked at expected slugging numbers in comparison to actual slugging percentage before, so I'll spare you the full explanation. In this edition, we'll look at the last month's worth of data only to find risers and fallers for possible buy, sell, add or drop possibilities. Many fantasy baseball owners are starting to see the... Read More

8 months ago

Statcast Hitter Analysis - Left-Handed xwOBA Splits (Week 18)

A left-handed pitcher takes the mound, a left-handed batter hits the bench. We see it all too often, especially in the later innings when managers love to play the same-handed split matchups in the bullpen. Your star players (does Bryce Harper still count?) won't be affected, but many others will. Not all left-handed batters suffer... Read More

9 months ago

Statcast Hitter Risers/Fallers - BA vs Defensive Shifts (Week 17)

Defensive shifts have become a controversial topic, believe it or not, as some people actually contend it is "ruining the game." Recently fired skipper Mike Matheny was in that camp and may have been given the axe in part due to his unwillingness to embrace analytics or any of the changes in modern baseball. Given that... Read More

9 months ago

The Shift is a Problem for Bryce Harper, But Not the Only Problem

Going into the break one of the hottest topics in baseball was the struggles of Bryce Harper. From a real baseball perspective Harper has still been above average at the plate with a 119 wRC+ and .351 wOBA, but he hasn’t been the first-round caliber player that we expected going into the season. This is... Read More

9 months ago

Statcast Hitter Risers/Fallers - xBA-BA (Week 15)

Expected stats, such as xBA, xSLG, xwOBA and others we have examined in this series have to be taken for what they are - a projection based on past data, but not the sole basis of fantasy analysis. If expected stats always jived with actual stats, we wouldn't have so many discrepancies. As of today,... Read More

10 months ago


Statcast Hitter Risers/Fallers - xwOBA w/RISP (Week 14)

Statcast is a fun tool, at least if you love stats. If you didn't, you wouldn't be reading this, nor would you spend hours poring through the waiver wire or farm system reports in search of the next big thing to hit the majors. Only baseball brings that kind of unbridled passion for a past-time... Read More

10 months ago

Statcast Hitter Risers/Fallers - Launch Angle

Launch angle is one of the most commonly referenced Statcast results these days. Some stadiums even display these statistics on each batted ball for the most casual fan to see during a ballgame. Taken in isolation, it doesn't tell the whole story of a batted ball's progress, but it can be a valuable tool to... Read More

10 months ago

Statcast Hitter Risers/Fallers - xSLG

We're all familiar with slugging percentage and how it values extra base hits over singles. Expected slugging percentage is a newer stat that attempts to identify a player's skill more so than regular slugging percentage, as xSLG removes defense from the equation. Since batters have control over their exit velocity and launch angle, but not... Read More

10 months ago