The Eagles agreed to sign former Indianapolis Colts wide receiver Zach Pascal to a one-year deal Monday. Pascal, 27, will be reunited with Eagles coach Nick Sirianni, who was Pascal’s offensive coordinator in Indy for three seasons. The 6-foot-2, 214-pound wideout went undrafted out of Old Dominion in 2017 but caught on with the Colts as a special-teams ace and a big-bodied slot receiver a year later. According to Pro Football Focus, Pascal played 72% of his offensive snaps in the slot last season. He had 38 catches for 384 yards and three touchdowns last season, down from the 44-catch, 629-ya…