2021 NFL Draft Comps: UCLA RB Demetric Felton shows promise as a pass-catcher out of the backfield | NFL Draft | PFF

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2021 NFL Draft Comps: UCLA RB Demetric Felton shows promise as a pass-catcher out of the backfield

Pasadena, California, USA; UCLA Bruins running back Demetric Felton (10) carries the ball during the fourth quarter against the Arizona Wildcats at Rose Bowl. Mandatory Credit: Robert Hanashiro-USA TODAY Sports

Comparing current NFL draft prospects to those of years past is standard procedure in draft evaluation, though most comparisons are built on the memory recall and subjective opinion of the particular evaluator.

This will be the first in a series of articles comparing the 2021 draft prospects to prior years and picking out the most similar comps with a clearly delineated and quantifiable method.

PFF data scientist Eric Eager has done tremendous work building college-to-pro projections, which are built off the robust college data we’ve collected since 2014 and have been applied to exercises like building an “Analytics” Mock. In this analysis, I will use some of our advanced stats for comparison but primarily rely on traditional stats to go back further to compare the 2021 prospects to draft classes going back to 2006.

Without the NFL Scouting Combine this season, the important measurables like weight and 40-yard dash will be reported through the various pro days that will be taking place over the next few weeks.

METHODOLOGY

The comps below were derived from a two-step process. First, I converted all the most statistically relevant stats and measurables to percentiles based on the thousands of prospects who have entered the NFL since 2006 at each position. Then, I filtered the total universe of past prospects by those who had draft positions, weight and 40 times within a 10th percentile in either direction of Demetric Felton. For undrafted players, I assigned a numerical draft position of 300.

The rest of the matching features were transformed by principal component analysis (PCA). I found the closest statistically comparable players by the euclidean distance between the players' principle components, listed in the top 10 below.

The metrics for PCA are: rushing attempts per game, rushing yards per game, rushing touchdowns per game, receptions per game and market share of team receptions. All of these data points come from the prospect’s best collegiate season. I also matched the prospect’s market share of total team yards and touchdowns to past draft prospects.

For Felton's draft position, I’m using an estimate based on the mock data collected at GrindingTheMocks.com. For the weight and 40 time, I’m using the numbers from his pro day, with a 0.03-second penalty added to the 40 time to reflect the uncertainty of pro-day timed measurements.

Most comparable players

Felton’s pro day is unlikely to bolster his draft position. He ran a 4.55-second 40-yard dash at 189 pounds and posted mediocre numbers in the vertical (31.5 inches) and broad jump (9 feet, 6 inches).

Felton isn’t an outstanding athlete, but he was never going to be bellcow, early-down back anyway. He could be utilized more outside in the NFL, and he looked good in Senior Bowl practices doing just that.

It's hardly an encouraging sign that six of Felton’s 10 closest comps were undrafted free agents, though that could be a relic of the past when smaller running backs were less desirable.

Felton has no issues in terms of production, averaging 20 or more carries and 4.5 receptions per game in his best season. The UCLA product was responsible for over 30% of his team's total yards and touchdowns.

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