Frank Gore became the 49ers’ career rushing leader in a 26-0 win over the St. Louis Rams on Sunday that wrapped up the franchise’s first NFC West crown and postseason berth since 2002.

Alex Smith threw second-half touchdowns of 52 and 56 yards to Michael Crabtree and Kyle Williams and David Akers kicked four field goals as a pair of former Missouri Tigers, Justin Smith and Alden Smith will be in the playoffs.

Rams quarterback A.J. Feeley struggled in place of injured starter Sam Bradford for the reeling Rams (2-10), going 12 for 22 for 156 yards and one interception.