Eagles might have enough roster depth to win the Super Bowl

Bill Streicher-USA TODAY SportsLast year, Pat Kirwan of CBS Sports came up with a fun activity to determine which NFL teams have enough roster depth to contend for a Super Bowl. Kirwan made a list of 13 questions that require a positive answer in order for a team to qualify as having solid depth. The Eagles shaped up OK in last year's assessment. Philadelphia's roster has obviously gone through a lot of change since then, however. So now let's take a look at this year's roster.

1) Does the team have a backup quarterback who can go at least 2-2 in a 4 game stretch?

Yes. Mark Sanchez went 5-4 in his nine appearances last season. Sanchez is back and he's had a strong offseason. Last year,…