Steelers-49ers Key Matchup
Prisuta, Mike, Tribune-Review/Pittsburgh Tribune-Review
49ers RT Joe Staley vs. Steelers OLB Clark Haggans
49ers RT Joe Staley: Staley was drafted 28th overall out of Central Michigan back in April, the second of San Francisco's two first-round picks (linebacker Patrick Willis went at No. 11 overall). One of the reasons why he became the first No. 1 pick in CMU history was his speed. Staley ran a 4.7 40-yard dash at the NFL Scouting Combine, the fastest time of any offensive lineman. At 6- foot-5 and 306 pounds, he also has the prerequisite size. He's started twice on an offensive line that hasn't been able to get RB Frank Gore over 100 yards on the ground yet and has allowed seven sacks in two games.
Steelers OLB Clark Haggans: Normally the starter at left outside linebacker, Haggans moved over to the right side for the second half of last Sunday's 26-3 win over Buffalo after LB James Harrison was lost to a neck injury. Harrison should be back against San Francisco, which means Haggans (6-4, 243) can return to the starting position he's occupied since 2004. …