By Jim McBride, Globe Staff

Have you heard that two brothers will be coaching against each other in the Super Bowl? However, the John Harbaugh (Ravens) vs. Jim Harbaugh (49ers) story line that has dominated the runup to the game will take a back seat to how their teams match up on the Superdome field when the game kicks off on Sunday.

Here's a look at the football side of the Ravens-49ers showdown for the NFL title.