OAKLAND, Calif. (AP) -- Seattle Mariners pitcher Felix Hernandez pulled himself out of his first minor league rehab start because of fatigue.

Hernandez exited Friday after throwing 31 pitches for Triple-A Tacoma. The Mariners said Hernandez came out of the game when he wore down, not with pain.

Hernandez allowed two hits and two runs in 2 1/3 innings against San Antonio before coming out. He struck out two and walked one.

Seattle had hoped their former ace would throw between 50-60 pitches in his first outing since going on the injured list with right shoulder stiffness on May 12.

The 33-year-old righty is 1-4 with a 6.52 ERA in eight starts for Seattle.

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