Williams only practiced once last week and was listed as questionable, but his injury didn't appear serious.
"What Jah needs is playing time," Ravens coach John Harbaugh said. "He needs experience. It was our plan to start him out there in the third series no matter what and then play him as much as we could. He played well."
A former third-round draft pick from Central Florida, Reid was inactive for the first seven games with a strained right calf.
Reid threw a solid block on Pro Bowl running back Ray Rice's 7-yard touchdown run and seemed to hold up solidly throughout the most extended playing time of his career.
"It was awesome to be a part of it," Reid said. "Of course, I had some growing pains. I've got to learn from my mistakes. I definitely need a lot of improvement.
"Bobbie was banged-up. He worked so hard to play this week. I seemed to be doing all right, so they left me in there. The more playing time I get, the happier I am."
Williams downplayed the severity of his injury.
"The ankle was pretty good," he said. "It ended up working out perfectly. I can rest up and get ready for next week. I could have went back out there and finished. Coach [John Harbaugh] was like, 'Hey, it's an opportunty for the young guy to get some time.'"
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