The Facts: Crabtree suffered a torn Achilles tendon during organized team activities Tuesday and will soon undergo what could be season-ending surgery, a person informed of the injury told USA TODAY Sports.

Diehards Line:Crabtree, 25, is coming off a breakout season in which he had career-highs in receptions (85), yards (1,105) and touchdowns (nine). The injury to Crabtree comes at an unfortunate point in his career and for the 49ers, though the team has been working to build depth on offense. Perhaps the Niners would consider bringing back Randy Moss, who hasn't yet retired. In March, the Niners picked up receiver Anquan Boldin in a trade with the Ravens, sending Baltimore third- and fourth-round draft picks. ... As USA Today's Mike Garafolo notes, a torn Achilles' used to be an automatic season-ender but has since become one that can sometimes be rehabbed in a matter of months -- as Baltimore Ravens linebacker Terrell Suggs and Tampa Bay Buccaneers defensive end Da'Quan Bowers did last year. Both players tore the tendon in the spring and returned to the field after starting the year on the physically unable to perform list. ... Stay tuned. More to come on this one.