Acquiring Shane Bieber ahead of the trade deadline adds a potential playoff starter to the Jays’ rotation — a guy with a Cy Young on his mantle, an ERA title in his bag and three career postseason outings under his belt. However, that upside comes with risk.

Shane Bieber is an exciting trade deadline acquisition for the Blue Jays, but he isn't in Toronto yet. Bieber spent Sunday in Buffalo, pitching at Triple-A. It was Bieber's fourth rehab start since beginning his comeback from Tommy John surgery, and his first since joining the Toronto organization.

Shane Bieber inched tantalizingly closer to a return Sunday in his rehab start with triple-A Buffalo. The Blue Jays marquee deadline acquisition could be a rare difference-maker down the stretch, writes Sportsnet’s Arden Zwelling.