While the Baltimore Ravens managed to beat the Denver Broncos 10-9 on Sunday, Ravens fans emerged from the game worried, as star quarterback Lamar Jackson left the contest during the second quarter with a knee injury and did not return. We now know the diagnosis of Jackson’s injury and how much time he’ll likely miss. ESPN’s Adam Schefter reported Tuesday that Jackson sprained the PCL in his knee. That injury generally carries a return-to-play timeline of one to three weeks. “Ravens’ QB Lamar Jackson suffered a sprained PCL during Sunday’s win over the Denver Broncos, per league sources,” Schefter tweeted.…