For all of the talk about the 49ers' and their proverbial "window," Christian McCaffrey has a good grasp on the window of life.

The star running back imparted some words of wisdom upon quarterback Brock Purdy as San Francisco enters a pivotal 2025 NFL season, with the team's ever-elusive sixth Super Bowl title at the top of their to-do list.

"McCaffrey was talking a couple of months ago before we went to our summer break, and he was like, 'Dude, we all only have a window of time in our career, whether that’s four, five, six, eight, 10 years of your career,' " Purdy shared recently with Sports Illustrated's Albert Breer . " 'Don’t finish your 10-year career and have all these regrets, man. Let’s go all out for this window we have in our life to play football for the Niners and go win

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