That play turned out to be the Bears’ longest gain of the night and brought back memories of Alshon Jeffery, whose ability to make big plays in traffic was always a plus to the offense. The days of Jeffery weren’t that far back — he spent the first five years of his career in Chicago before signing with the Eagles after the 2016 season — but seem like forever ago after the Bears slogged through 2017 with one of the least impressive receiving corps in the league.