Following the introduction of the Team Split Finder last November, we are now proud to announce the addition of another new tool for Stathead Football subscribers: the Player Split Finder.

This powerful tool allows users to search through our splits database to compare players across various situations, with most stats going back to the 1994 season. Here's a quick look at the different splits available and some examples to help you get started.

QUARTER: Most 4th Quarter TD Passes Thrown This Season

LOCATION: Highest Passer Rating on the Road in a Single Season (min. 100 attempts)

DOWN: Most Times Sacked on Third Down This Season

YARDS TO GO: Most Rushing First Downs on Plays with 10+ Yards To Go This Season

DOWN & YARDS TO GO: Best Completion Percentage on 3rd Down and 10+ Yards to Go in 2017

FIELD POSITION: Most Red Zone Targets This Season

SCORE DIFFERENTIAL: Most Pass Attempts When Trailing in 2019

GAME SITUATION: Most Passes Intercepted While Tied with Less Than 4 Minutes Remaining Since 1994

SNAP TYPE & HUDDLE (since 1998): Most Passes Completed Under Center This Season

PASS RUSH TYPE (since 2018): Best Passer Rating Against the Blitz This Season

We hope you enjoy this addition to Stathead. If you're interested in a subscription to the service, you can sign up for a free trial here. We built this tool thanks to feedback from users like you. Should you have any questions or other feedback, please reach out to us.

With the season concluded, we're pleased to report that we've added 2020 Approximate Value (AV) numbers to the site for all NFL players. Note that these numbers are just provisional right now; the final numbers will be released after the All-Pro teams are announced.

As of now, Josh Allen, Aaron Rodgers and Russell Wilson are tied for the league AV lead at 18, with Derrick Henry and Aaron Donald the two non-QBs to make the top 10. You can see the top players in this Stathead.com Player Season Finder search. Washington rookie Chase Young had an especially strong year, finishing at 13 AV. Only Ndamukong Suh and Jevon Kearse had as high an AV among rookie defensive linemen in the post-merger era.

Not sure what AV is? To learn more about PFR's attempt to put a single number on each player-season since 1960 (for the purposes of comparing players across position and era), check out this link. Feel free to send us feedback via our site's form.

Katie Sharp has joined Sports Reference and will be working both on social media and customer success for our Stathead subscription service. Katie spent seven years as a researcher with ESPN's Stats and Info Group, and since then has worked as a writer, editor and researcher on dozens of articles and books. Most recently, she has been a recurring guest on Jomboy Media's Talkin' Yanks podcast. Katie graduated from Williams College and also has an MBA from the University of Oregon. She's on twitter at @ktsharp.

We've been listening to requests for new features from our users and we're happy to announce that we have launched a new tool for Stathead Football subscribers: The Team Split Finder

The Team Split Finder allows users to unleash the power of our splits database to run searches to compare how teams have fared in various situations. The splits are built off of our play-by-play data, which dates back to 1994.

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Nick Pazoles has joined Sports Reference as a DevOps engineer. Nick previously worked for Cleo in the Chicagoland area and is the first White Sox and University of Michigan football fan on staff.

By popular demand, we're thrilled to announce that annual Stathead subscriptions are now available at Stathead.com. Stathead is the premier set of sports research tools available to the public and is available for Baseball, Basketball, Football & Hockey. Monthly subscriptions, which are $8/month for a single sport and $16/month for all sports also remain available. The new annual subscriptions are priced to give users who choose them two months for free: $80/year for a single sport or $160/year for all sports. If you're a current subscriber and wish to change from monthly to annual, you may do so here. To learn more about Stathead, please visit here.

In previous months, we have launched Stathead Baseball, Stathead Hockey and Stathead Basketball. Today, we're thrilled to announce that Stathead Football has joined our suite of Stathead tools, the most powerful set of sports research tools available to the public. In fact, they're so good that the pros (whether they're running teams or covering them) also swear by them.

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The Play Index first launched on Baseball-Reference.com over thirteen years ago and has been one of the most used research tools for baseball ever since. Many of these tools have been recreated on our Basketball, Football, Hockey and College sites over the last twelve years, and, likewise, they have earned a dedicated user base of their own. Our Baseball Play Index was always a subscription product, but we never applied that model to the other sports' tools. It was always our intention to charge for these products, but for a variety of reasons that never happened.

The Sports Reference sites have continued to grow in traffic and advertising revenue over that time to the extent that the Play Index and our ad-free options are a very, very small portion of our revenue. Most of that is on us, as we have not done a great job of promoting and marketing tools that are highly valued by a dedicated group of users. The Basketball, Football, Hockey, and College Play Indexes represent well under 1% of our revenue. In addition, the Play Index tools are complicated to maintain and manage, and quite frankly are a money-loser for us at this time. It's well past time for us to re-think how these tools are positioned within our constellation of sites.

While Sports Reference is doing well overall, I'm not comfortable with having so much of our revenue dependent on advertising. We are very beholden to search engines continuing to send us traffic, and likewise the ad market can be fickle and difficult for a small to medium size operator to navigate. With the economic downturn currently taking place, our ad revenue is down significantly as well.

In addition, advertising on the sites does not make it easier for you to answer the questions you have. This is our primary mission. We maintain a relatively low level of advertising on the sites (at least compared to your regional newspaper), and we are loathe to add additional advertising units or more intrusive units. Some of you may use an ad blocker, in which case we are making no money from your use of the site at all, and the audience for our ad-free product has proven to be very small as well.

A subscription model aligns our interests much better with our users' interests as well. I realize that users are being asked to sign up for lots of subscriptions these days, but we feel the tools within the Play Index are so specialized and useful that they warrant a paywall.

So we are making some changes. The Play Index for each site will be moving to Stathead.com. Stathead.com will become the center for all of our subscription products. We expect these products to include tools and information beyond just a redesigned set of Play Index tools. This won't happen all at once, but we've started with baseball and are proceeding through the remainder of our sports over the next two months. Also, we have ended our dedicated ad-free product and instead Stathead memberships will have ad-free built-in. There just aren't enough users to justify a separate ad-free product. These changes will began in April for baseball and will be followed by Hockey in May, Basketball and probably Football in June and then College over the summer.

You can try out Stathead Baseball now. If you do a little digging, you will see that we are charging $8/month for a single sport and subscribing to all sports will cost $16/month. We realize moving from free to $8/month is a big ask, but we feel the tools provide a great deal of value and also believe that we can't continue to support the products without a viable revenue stream.

During the deployment of these changes, the existing Play Indexes will remain free.

--sean forman

The Pro Football Hall of Fame 2010s All-Decade Team was announced a while back, and Pro Football Reference now lists the team in its Awards section, as well as in the Awards table on player pages for those who were selected. This year's All-Decade team had the peculiarity of being released without a first-team/second-team distinction, the first time that's happened since the 1960s All-Decade team. With that, our Hall of Fame Monitor also made a small change to its methodology to accommodate this; you can read the formula used for that here.

Here's a look at some of the more interesting impacts All-Decade selections might have on Hall of Fame cases:

Running Backs: Adrian Peterson and Frank Gore were already on their way to Canton, but All-Decade selections greatly help LeSean McCoy, Marshawn Lynch and Darren Sproles' future cases. McCoy's HOFm score is now at 80.76, moving him ahead of current top eligible RB Roger Craig. Lynch's score is now 68.94, which puts him just below the lowest-scoring HOFers who played in the 1980s or later. Sproles took a major jump to 64.4 thanks to making the All-Decade team on offense and special teams, and now finds himself in the range of borderliners Ricky Watters and Shaun Alexander.

Wide Receiver: This position is a little more scattered in terms of predicting who ends up making it in, but Calvin Johnson, Julio Jones and Antonio Brown will appreciate having their names in here. Considering his off-the-field meltdown, Brown is the strangest HOF case, but on paper his HOFm score is now at 89.12, which puts him right next to HOFer Art Monk and within sniffing distance of Michael Irvin.

Offensive Line: Jason Peters gets a healthy boost as he approaches the end of his career, his new HOFm score putting him inbetween HOFers Rayfield Wright and Orlando Pace, as well as right next to perennial finalist Tony Boselli. Jahri Evans and Marshal Yanda also got elevated into the mix of HOF guards with this selection.

Defensive Line: Calais Campbell gets some help for his HOF case with this selection, putting himself in the range of the highest borderline defensive ends like L.C. Greenwood and Neil Smith.

We hope you enjoy this addition and use it as a reference in friendly debates to come. Please let us know if you have any comments, questions or concerns.

In 2019 Pro-Football-Reference added advanced statistics provided by Sportradar such as air yards, yards after contact, drops, and passer rating allowed among others. We have those available at the season level on player pages, as well as on the game level within box scores. We have now added advanced game logs, accessible from player pages, so you can see an individual's advanced stats at the single-game level.

Here are links to some examples:

Aaron Rodgers

Christian McCaffrey

Richard Sherman

If you have any questions or suggestions, feel free to contact us through our feedback form or Pro Football Reference's official Twitter account. Thanks for following us!