Vikings add LB Casey Matthews

The Vikings have bolstered their linebacking depth, reaching a deal with Eagles reserve Casey Matthews, the club said Tuesday. Matthews, 26, started 11-of-16 games at inside linebacker for Philadelphia in 2014, notching 53 tackles and 1.5 sacks. His starts came in place of the injured Mychal Kendricks (three) and DeMeco Ryans (eight). Matthews (6-1, 245)…