The Cubs have called up Canadian outfield prospect Owen Caissie from Triple-A Iowa. Caissie, ranked by MLB Pipeline as Chicago's top prospect and the No. 45 prospect in baseball, was hitting fifth and at DH for his big league debut at Rogers Centre for the finale of the Cubs series against the Blue Jays on Thursday afternoon.

Much of that had to do with their top-ranked prospect Owen Caissie making his MLB debut after getting called up to the big league roster. Held onto at the trade deadline despite being featured in multiple rumors,

Owen Caissie, the Cubs' No. 1 prospect, will make his MLB debut in Thursday's game against the Toronto Blue Jays. He will be Chicago's designated hitter, batting fifth in the lineup.