Vladimir Guerrero Jr. drove into Bo Bichette with the winning run in the 10th inning to give the Toronto Blue Jays a 7-6 walkoff win over the Baltimore Orioles on Wednesday night.
Guerrero hit a sharp single to left field off Felix Bautista (2-2) that easily brought home Bichette, who was on second base as the automatic runner.
In the top half of the extra frame, the Orioles moved Kyle Stowers to third base on a sacrifice bunt but he was left stranded when sidearmer Adam Cimber (7-2) struck out Ryan McKenna and got Cedric Mullins to pop up.
The Blue Jays had an early five-run lead and appeared on their way to a comfortable win after a strong seven-inning start from Jose Berrios. But the Orioles charged back with a three-run eighth inning against reliever Yimi Garcia, with Ryan Mountcastle tying it with his second homer of the game.
Guerrero, Teoscar Hernandez and Matt Chapman went deep for Toronto on a breezy, comfortable spring evening at Rogers Centre.
Adleyrutschman also homered for the Orioles, who will try to salvage a split of the four-game series on Thursday afternoon.
Toronto (37-25) has won 15 of its last 20 games. The Orioles (27-37) have one victory in their last nine meetings against the Blue Jays.
Toronto opened the scoring in the first inning after Guerrero reached on a flare that dropped in shallow center field, just out of the reach of second baseman Rougned Odor. Guerrero scored from first base on an Alejandro Kirk double.
A pair of two-run shots came in the fourth as Hernandez crushed a 2-1 pitch from Bruce Zimmermann into the second deck — a 461-foot blast — and Chapman followed two batters later with a 411-foot shot of his own.
Berrios set down the first 10 Orioles in order until he hit Austin Hays with a pitch in the fourth inning. rutschman delivered Baltimore’s first hit with a two-run homer, the first of his big-league career.
Berrios, meanwhile, retired eight straight batters until giving up a Mountcastle moon shot in the seventh that hit the facing of the 500 level. Only 22 home runs have reached the 500 level stands since the stadium opened in 1989.
The Toronto starter allowed three hits and three earned runs. He had eight strikeouts and didn’t walk a batter.
Garcia gave up an RBI double to Hays and Mountcastle followed with his 12th homer of the year to pull the Orioles even.
Closer Jordan Romano of Markham, Ont., pitched a clean ninth inning for Toronto and Jorge Lopez worked a 1-2-3 bottom half for the Orioles. Announced attendance was 19,961 and the game took two hours 53 minutes to play.
Canadian men’s soccer captain Atiba Hutchinson threw the ceremonial first pitch before the game.
Right-handers will square off in the series finale. Kevin Gausman (5-5, 2.67 ERA) wants to start for Toronto against Tyler Wells (3-4, 3.86).
The Blue Jays will wrap up their seven-game homestand with a weekend series against the New York Yankees starting Friday night.