Former Rams playing key roles in championship games

EARTH CITY, Mo. -- The Los Angeles Rams only played one of the NFL's final four during the 2015 regular season, splitting a pair of contests against the NFC West division rival Arizona Cardinals.

So while the Rams aren't terribly familiar with the four teams left in the playoffs, there are former Rams who could play a big part in determining which teams go to the Super Bowl.

Here's a look at the former Rams dotting the rosters of the Cardinals, New England Patriots, Carolina Panthers and Denver Broncos:

Former Rams workhorse Steven Jackson has found new life in New England.-- We'd be remiss to start with any team other than the Patriots and running back Steven Jackson. Jackson is the Rams'…