By Wilton Jackson Although the Philadelphia Eagles are 10–4 and have clinched a berth in this year’s postseason, things have been on the edge for the franchise having lost three consecutive games. However, the franchise’s struggles in the month of December started before its three-game skid, according to The Philadelphia Inquirer. After the Eagles defeated the Buffalo Bills in Week 12, a source recently told the Inquirer that the team’s disposition could be described as one of “the most miserable” for the then 10–1 team, heading into a pivotal Week 13 matchup against the San Francisco 49ers. T…