Fourth Time a Charm? For the Fourth Time, Rams Trade for a Chiefs Cornerback.

 By John Turney 

Yesterday, the Los Angeles Rams finalized a blockbuster trade, acquiring All-Pro cornerback Trent McDuffie from the Kansas City Chiefs in exchange for a hefty package: the No. 29 overall pick in the 2026 NFL Draft (first-rounder), a 2027 third-round pick, plus fifth- and sixth-round selections this year. It's the largest haul the Chiefs have ever received in a cornerback trade with the Rams.

This marks the fourth time the Rams have traded for a cornerback originally drafted by the Chiefs—clearly a recurring theme between these two franchises.

The pattern began with Eric Harris, a 6-foot-3, 198-pound corner out of Memphis selected by Kansas City in the fourth round of the 1977 NFL Draft. After a three-year stint in the Canadian Football League, Harris signed with the Chiefs in 1980 and quickly claimed the right cornerback spot opposite their 1977 first-round pick, Gary Green (more on him shortly).

From 1980–1982, Harris intercepted 17 passes, ranking fifth in the NFL over that span. By the summer of 1983, the Rams were overhauling their defense, shifting from a 4-3 to a 3-4 scheme while addressing a weak secondary that struggled in 1982. Longtime starters Rod Perry and Pat Thomas, along with backup Lucious Smith, were all traded by late August. Leroy Irvin and Kirk Collins emerged as the new starters, and the Rams sent running back Jewerl Thomas to Kansas City for Harris to provide depth at both corner spots (alongside Monte Jackson, acquired in the same Thomas deal).

Tragedy struck early: Collins suffered a hamstring injury, and during recovery, doctors discovered throat cancer that soon proved fatal. With Jackson underperforming, Harris stepped in as a starter. In Fritz Shurmur's bend-but-don't-break defense, he intercepted four passes and returned them for 100 yards total—solid, reliable play, though not at the elite level the Rams had enjoyed from Perry and Thomas in their primes. In 1984, when injuries devastated the Rams' safety group, Harris stepped in and played strong safety in the Rams' base defense and slot in the nickel until he went down with a bum ankle.

Next came Gary Green himself. The Chiefs entered 1984 believing rookie nickelback Albert Lewis could handle (or even surpass) Green's production at left corner. They also planned upgrades at right corner—Lucious Smith (acquired from the Rams in 1983) wasn't working out—so Green became expendable with draft capital and a free-agent addition in the works.

The Rams pounced, sending a first-round pick and a fifth-round pick to Kansas City for Green. He wasn't thrilled, appearing on Kansas City TV to declare the trade wouldn't improve the Chiefs. 

However, he did improve the Rams' left corner position for two solid seasons: earning second-team All-Pro honors (NEA) in 1984 as a man-coverage specialist in a mostly zone scheme, then posting an even stronger 1985 campaign with his fourth Pro Bowl nod and second-team All-NFC recognition (UPI). He was a strong slot defender in 1985 in the nickel and dime packages and would get some pressure on blitzes. He was seemingly getting better, more diverse. 

But sadly, a career-ending neck injury in 1986 cut his tenure short. The feisty corner who loved the game had to retire because of the risk of paralysis. 

The Rams-Chiefs cornerback pipeline struck again in 2018, when Los Angeles sent a 2018 fourth-round pick and a 2019 second-round pick to Kansas City for star cornerback Marcus Peters (the Chiefs also included a 2018 sixth-rounder in the deal). Unlike the premium hauls for Gary Green (first- and fifth-round picks) or the recent Trent McDuffie blockbuster, the return here was modest—largely due to Peters' significant off-field baggage.

Peters was undeniably talented: a first-round pick (18th overall) in 2015, he earned Defensive Rookie of the Year honors that season, made second-team All-Pro (AP), and followed with consensus All-Pro status in 2016 as a two-time Pro Bowler. But by 2017–18, tensions escalated in Kansas City. He protested by sitting during the national anthem without public explanation, clashed verbally with coaches and teammates, fostered locker-room division, and earned a multi-game suspension for tossing a referee's flag into the stands. While Gary Green had been vocal about front-office decisions, Peters' behavior crossed into disruptive territory, forcing the Chiefs' hand. Without that baggage, he likely commands a first-round equivalent package.

For the Rams—fresh off an 11-5 breakout in Sean McVay's 2017 debut—they were aggressively upgrading the secondary to contend. They paired Peters with newly signed veteran Aqib Talib, making the risk worthwhile despite his volatility.

The gamble delivered immediate results. In 2018, Peters started all 16 games, intercepting three passes—including a pick-six—and helped anchor a defense that propelled the Rams to the Super Bowl (though they fell to the Patriots). His play was strong enough to land him on the NFL's Top 100 Players list at No. 79.

Like Green's stint, Peters' time in L.A. proved brief. Midway through 2019, the Rams traded him to the Baltimore Ravens in exchange for linebacker Kenny Young and a 2020 fifth-round pick. (In the same period, they also dealt Talib and soon acquired Jalen Ramsey, essentially overhauling the corner spots midseason.)

Peters tallied five interceptions (two returned for touchdowns) across 22 games with the Rams, but the franchise moved on quickly—another short, high-impact chapter in this ongoing Rams-Chiefs cornerback tradition.

In summary, across the three prior instances, the Rams surrendered a first-round pick (for Gary Green), a second-rounder plus a fourth (for Marcus Peters), and a former third-rounder in running back Jewerl Thomas (effectively part of the Eric Harris package)—plus assorted residual picks and players in the deals. In return, they received 86 games and 72 starts from Harris, Green, and Peters combined. The trio delivered 17 interceptions for 411 return yards and three pick-sixes: Harris provided steady, if unspectacular, play; Green excelled as a Pro Bowler before injury; and Peters performed at a high level en route to the Super Bowl.

But in each case, the Rams' secondary—and the team overall—saw tangible improvement and greater success during those players' tenures. So there is that.

Now comes Trent McDuffie, the latest chapter in this Rams-Chiefs cornerback tradition. At 26 years old (a year older than Peters was upon arrival, and 2–3 years younger than Harris and Green), McDuffie arrives as a proven All-Pro with the potential for a longer, more impactful run as a long-term solution. He's expected to sign a lucrative extension with L.A., locking in his prime years.

Scheme fit remains a question: Vic Fangio's influence leans toward zone-heavy concepts, while McDuffie (like the previous three) thrives as a man-coverage specialist. But he also does more, while playing mostly outside, he has provided a lot of big plays for the Chiefs, especially in 2023 as a slot, blitzing quarterbacks, sacking them, knocking balls loose. He was a true playmaker in coverage and pass rush, so it seems McDuffie brings more to the table than previous iterations of this scenario.

On paper, this looks like the Rams' strongest acquisition yet in the pipeline—premium talent for premium cost, aimed at pushing a team that fell just one game short of the Super Bowl back into championship contention.

We'll see how it translates on the field next season. History suggests these moves pay dividends for L.A., at least in the short-to-medium term. 

Stay tuned—this could be the one that sticks.

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