He could go to the Jays list of injury busts. While not looking like a star player or anything, he could have settled in as maybe average. He did put up .3 fWAR in his very limited sample of 140 PA before his brain got scrambled.
During the 2017 World Baseball Classic, Pompey suffered a concussion as he slid into second base during a play and was subsequently placed on the 60-day disabled list by the Blue Jays. He did not make an appearance with Toronto during the 2017 season.
On May 4, 2018, Pompey returned to the majors for the first time since 2016 in a game against the Tampa Bay Rays. On May 12, he was optioned down to the Triple-A Buffalo Bisons. In a May 29, 2018 game for Buffalo, Pompey suffered a partial tear of the ulnar collateral ligament in his left thumb, sustaining the injury sliding headfirst into third base. He did not appear in the majors again that year as he continued to rehab in the minor leagues.
Before a March 21, 2019 spring training game, Pompey was pulled from the lineup after he hit his head on some bats at the top of his locker before the game. Pompey was diagnosed with a concussion and was placed on the injured list. On April 2, Pompey was transferred to the 60-day injured list. On July 23, 2019, Pompey was designated for assignment.He spent the remainder of the 2019 season in the minors and on November 4, 2019, Pompey elected free agency