McQuistan was with the Seahawks last season, starting 14 games.
McQuistan was with the Browns in 2010.
The 6-foot-6, 315-pounder is in his ninth NFL season. He's a former Oakland Raiders third-round draft pick.
A starter in the past at left tackle, left guard and right guard, McQuistan has appeared in 83 games with 52 starts.
He has played for the Raiders, Jacksonville Jaguars and Browns
In 2013, he started eight games at left tackle and six at left guard. During the postseason, he rotated at left guard.
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Aaron Wilson covers the Ravens for The Baltimore Sun