San Diego Chargers Daily Links: May 22, 2014

Rookie earns Chargers contract at tryout - Michael Gehlken (paywall)
Craig Watts turned a three-day tryout into a three-year contract. The Chargers are expected to sign the former West Texas A&M guard, a source said.

Early projected AFC standings - Aaron Schatz (Insider)
In between are the Chargers and Chiefs. The projection here may be a bit too sanguine about the Chargers maintaining last year's offensive renaissance, especially with offensive coordinator Ken Whisenhunt now gone to run the Titans. On the other hand, the Chargers' defense, which ranked dead last in DVOA last year, is almost certain to improve.

Using Probabilistic Distributions to Quantify NFL Combine Performance - Casan Scott
Probability Ranking allows me to identify the probability of encountering an athlete’s measurable. For instance, I probability ranked NFL combine 40 yard dash times for 341 defensive ends from 1999-2014 (Table 1 shows the top 50). In this case, Jadeveon Clowney’s 40 time of 4.53 had a probability rank of 99.12, meaning his speed is in the 99th percentile of all DEs over this time span.

NFL Ugly Sweaters by Forever Collectibles
Well, aren't these fancy?