Ubaldo Jimenez of the Rockies throws his second career shutout – his first was his no-hitter on April 17th – in beating San Francisco, 4 – 0. He is the first pitcher to reach 10 wins in the majors this year, defeating defending Cy Young Award winner Tim Lincecum.

On May 31, 2010 — Ubaldo Jimenez of the Rockies throws his second career shutout – his first was his no-hitter on April 17th – in beating San Francisco, 4 – 0. He is the first pitcher to reach 10 wins in the majors this year, defeating defending Cy Young Award winner Tim Lincecum.

Source:
Baseball Reference May 31