Randy Vásquez allows six runs (four earned) on seven hits in two innings, while Stephen Kolek throws three perfect frames ...

Toward that end, Kolek has taken it upon himself to try to match up his arsenal — which includes a sweeper with 16.2 inches ...

Stephen Kolek, a right-hander with a five-pitch mix, is making the transition from the bullpen to the rotation this spring.

Kolek tossed two scoreless innings in a Cactus League game against San Diego on Tuesday, allowing two hits and striking out two batters.

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Stephen Kolek is making a bid for the San Diego Padres number five starter position. The Padres would love it Kolek stepped ...

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Last season was a great year for relievers who converted to starting roles. Who could be the next bullpen-to-rotation success ...