San Francisco 49ers: Ranking the top 10 offensive linemen of all time

MINNEAPOLIS - SEPTEMBER 27: Joe Staley #74 of the San Francisco 49ers reacts to a play while sitting on the bench during a game against the Minnesota Vikings at the Hubert H. Humphrey Metrodome on September 27, 2009 in Minneapolis, Minnesota. The Vikings defeated the 49ers 27-24. (Photo by Jonathan Daniel/Getty Images)
MINNEAPOLIS - SEPTEMBER 27: Joe Staley #74 of the San Francisco 49ers reacts to a play while sitting on the bench during a game against the Minnesota Vikings at the Hubert H. Humphrey Metrodome on September 27, 2009 in Minneapolis, Minnesota. The Vikings defeated the 49ers 27-24. (Photo by Jonathan Daniel/Getty Images) /
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San Francisco 49ers first round draft picks
1 Nov 1992: Offensive lineman Harris Barton of the San Francisco 49ers looks on during a game against the Phoenix Cardinals. The Cardinals won the game, 24-14. Mandatory Credit: Stephen Dunn /Allsport /

No. 7: Harris Barton

It comes as no surprise that Harris Barton was drafted in the first round by the 49ers — the pick turned out to be a worthy investment.

Barton spent his entire 10-year career with the 49ers, making 134 starts in 138 games. That is 10 years of blocking for great skill players such as Joe Montana and Steve Young.

In three out of those 10 years that he played football, Barton carried the 49ers to Lombardi Trophies.

Not a bad career at all.