Author Archives: Geoff

About Geoff

Dad, hacker, fantasy sports entrepreneur.

Tracking Injuries…

I’ve just rolled out some enhancements to RotoValue’s handling of injury reports. Now in addition to displaying reports, and highlighting the injury on player searches, I’ve added a new field, called Target Return:

Posted in NBA Basketball, Projections, RotoValue | Comments Off on Tracking Injuries…

2015 NBA Projections Take 1

I’ve run the first version of my 2015 NBA Stat projections. There are two versions, RotoValue and AdjRotoValue. My model starts with a weighted average of recent performance, adds regression to a per-position mean, and applies an aging adjustment (very … Continue reading

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2014 Fantasy All Stars

It’s easy to find lists of the best players in fantasy baseball. Lots of people have opinions on the matter, and plenty use formulas and models to rank players. Clayton Kershaw is baseball’s best starter, and was likely the most valuable pitcher … Continue reading

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Adding More MLB Statistics

I’ve added some more basic statistics for baseball to the RotoValue system. For pitchers, I’ve added 2B allowed, 3B allowed, runs allowed, balks, and at bats against. For batters, I’ve added games started and intentional walks. You can chose these … Continue reading

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RotoValue Now Uses RotoWire Player News

The player news and analysis notes shown on RotoValue now come from RotoWire instead of RotoWorld. My feed provider for news, XML Team Solutions, contacted me Friday to let me know they had lost the ability to send RotoWorld data, … Continue reading

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Who gains and loses if we #RedefineTheWin?

Wednesday I introduced a page comparing traditional wins and losses with those assigned by a points system proposed by Tom Tango. Tom agreed with my modification of run values, using -5 in win points and 10 in loss points. Today … Continue reading

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#RedefineTheWin

While Brian Kenny turned #KillTheWin into a Twitter meme, Tom Tango has proposed redefining it. Rather than using the old definition, he suggests computing “win points” and “loss points” for each game, and then giving the player with the most win points on the … Continue reading

Posted in Major League Baseball, Sabermetrics | 4 Comments

When the hurling Buehrle’s won… or perhaps why!

Blue Jays’ starter Mark Buehrle is off to a great start so far this season, leading the majors with 6 wins, with an ERA of 1.91. While not as impressive as his ERA, Buehrle’s FIP, fielding-independent pitching, is a still-excellent … Continue reading

Posted in AL, Major League Baseball, Projections | Comments Off on When the hurling Buehrle’s won… or perhaps why!

Introducing RV Current

Today I’m introducing a new projections source, which I’m calling RV Current. The idea is to use the same basic projection model I use in the preseason, but also include current year data in the model. The goal is a current … Continue reading

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Hedging Your Bets on the Nets?

On Monday, Nate Silver looked at the odds of winning a second-round playoff series after going 7 games to win the first round, and found that your chances to win go down:  Original SRS odds: Miami 88 percent to win … Continue reading

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