A thrilling conclusion is in the cards on Sunday at Colonial. After Jordan Spieth closed strong to maintain a one-shot lead over Jason Kokrak through 54 holes, he is looking to go wire-to-wire Sunday at the 2021 Charles Schwab Challenge. The duo are tied at 14 under through the first nine holes in Round 4, meaning it will be a head-to-head fight to the finish down the stretch.Spieth is trying to win at Colonial — the venerable Fort Worth, Texas, course near his home in Dallas — where he won in 2016 and has two runner-up finishes. He is looking for his second victory of the year as he remains the hottest player on the PGA Tour. Kokrak, on the other hand, is looking for his second all-time PGA Tour victory after last winning at the CJ Cup back in October 2020.Watch Round 4 of the Charles Schwab Challenge live on CBS, and catch it streaming live on CBSSports.com and the CBS Sports App. Keep on scrolling for the latest updates and highlights. Check out the live scores at the top of this story or a more detailed leaderboard.