Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Network | Play-by-play | Color commentator(s) | Sideline reporter(s) |
| --- | --- | --- | --- | --- |
| 2010.0 | ESPN | Mike Tirico | Ron Jaworski and Jon Gruden | Michelle Tafoya and Suzy Kolber |
| 2011.0 | Fox | Thom Brennaman | Brian Billick and Terry Bradshaw | Tony Siragusa and Jay Glazer |
| 2012.0 | NBC | Dan Hicks | Mike Mayock and Doug Flutie | Alex Flanagan and Randy Moss |
| 2013.0 | NBC | Al Michaels | Cris Collinsworth | Michelle Tafoya and Doug Flutie |
| 2014.0 | NBC | Al Michaels | Cris Collinsworth | Michelle Tafoya |
Question:
Who were the collor commentator(s) for ESPN before 2012?
Answer:
Ron Jaworski and Jon Gruden