Sean Keys just keeps hitting, no matter what level he’s assigned to.

The 23-year-old prospect, ranked No. 14 inside the Toronto Blue Jays’ system per MLB Pipeline, hasn’t even played his 10th game with Triple-A Buffalo since being promoted on June 5. And yet, the hard-hitting, lefty slugger is already sporting an OPS over 1.000 after obliterating his first home run with the Bisons on Sunday.

After popping out in his first at-bat against New York Mets pitching prospect and Markham, Ont., native Jonah Tong, Keys bounced back with one of his finest and most mature plate appearances in his second trip. Despite falling behind 0-2 out of the gate, he remained composed and eventually worked the count full, fouling off three tough pitches in the process, before connecting on the ninth pitch of the at-bat.

Keys clubbed a belt-high, 95.6-m.p.h. four-seamer from Tong, sending it a projected 447 feet (111 m.p.h. exit velocity) over the outfield wall in right centre for a two-run blast.

But the organization’s 2024 fourth-round selection wasn’t finished yet. In his third AB versus Tong, he pulled a 105-m.p.h. laser down the right-field foul line for a double, capping off the rain-shortened, seven-inning affair with his second extra-base hit in three attempts.

Following this latest stellar performance, Keys is now hitting .321/.441/.643 with a 181 wRC+ (100 league average) through his first nine games with Buffalo. That span has also seen him earn six walks compared to eight strikeouts, maintaining the promising plate discipline that helped him conquer the lower levels of Toronto’s minor-league system.

Before arriving at Triple-A, the bat-first corner infielder excelled across 49 games in his first stint with Double-A New Hampshire, slashing .285/.411/.581 with 14 home runs, 34 RBIs and a 157 wRC+. That came after last season’s breakout campaign at High-A Vancouver, where his game-changing power stroke led to 19 home runs during his first full season of professional ball.

The former mechanical engineering major at Bucknell University won’t become Rule 5-eligible until after next season. At this rate, however, it may not be long before he’s knocking on the Blue Jays’ door — even without a clear pathway to major-league playing time.

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