The Toronto Blue Jays' starters have the sixth-worst ERA in baseball at 4.55. The team has the American League East lead and may need to be aggressive at the trade deadline to hold on.

This morning, the Blue Jays announced a trade with the Chicago White Sox, which will see outfielder Will Robertson head to Chicago in exchange for cash considerations. OFFICIAL: We’ve traded OF Will Robertson to the White Sox in exchange for cash considerations. pic.twitter.com/pGFojPYUIO

With three weeks to go until the deadline, the former GM weighs in on four hypothetical trades to fill the Blue Jays' key needs.