Nick Wagoner, ESPN Staff Writer 14d

Breaking down K'Waun Williams' contract extension with the 49ers

SANTA CLARA, Calif. -- Last week, the San Francisco 49ers signed nickel cornerback K'Waun Williams to a three-year contract extension through 2020. Williams became the first player to sign an extension under new general manager John Lynch and coach Kyle Shanahan.

Here's a year-by-year breakdown of Williams' contract, which includes a $3 million signing bonus and guaranteed his 2017 base salary of $615,000. All numbers courtesy of ESPN Stats & Information:

2018

Base salary: $1.25 million (guaranteed for injury only, becomes fully guaranteed on April 1, 2018)

Signing bonus proration: $750,000

Roster bonus: $250,000 ($15,625 per game on the game-day active roster, up to $250,000 max)

Workout bonus: $50,000

Cap charge: $2.3 million

Cash payout: $1.55 million

2019

Base salary: $1.55 million

Signing bonus proration: $750,000

Roster bonus: $250,000 ($15,625 per game on the game-day active roster, up to $250,000 max)

Workout bonus: $50,000

Cap charge: $2.6 million

Cash payout: $1.85 million

2020

Base salary: $2.15 million

Signing bonus proration: $750,000

Roster bonus: $250,000 ($15,625 per game on the game-day active roster, up to $250,000 max)

Workout bonus: $50,000

Cap charge: $3.2 million

Cash payout: $2.45 million

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