Charley Hoffman knows his time on the PGA Tour is running short. He can feel every one of his 48 years whenever his troublesome back acts up, and he knows the recent reduction in tour cards will end most players’ careers well before they reach his age.

Charley Hoffman took a share of the lead Friday at the American Express, which the Poway High alum won 18 years ago.

Charley Hoffman, seeking a fifth US PGA Tour title at the age of 48, had 10 birdies in a nine-under-par 63 on Friday to share the halfway lead in the American Express tournament with Rico Hoey of the Philippines.