The Kansas City Chiefs and franchise-tagged guard Trey Smith are finalizing a four-year, $94 million extension, NFL Network reported Tuesday.The deal reportedly includes $70 million guaranteed for Smith, 26, the highest-paid guard in the league.A Pro Bowl selection at right guard in 2024, Smith was set to earn $23.4 million for 2025 on the franchise tag. The two sides faced a Tuesday deadline to work out a long-term extension to override the one-year deal.