Dick Tidrow, a two-time World Series champion pitcher during the 1970s who was instrumental in building the San Francisco Giants’ title teams of 2010, '12 and '14, passed away on Sunday. He was 74 years old.

Tidrow played for 13 seasons with the Indians, Yankees, Cubs, White Sox and Mets. He filled a number of roles throughout his time in the Majors, and he's one of only 37 pitchers to record at least 100 wins and 50 saves. The man fondly known as Dirt served as a closer, setup man and long reliever while winning the World Series with the Yankees in 1977 and '78.

But most of Tidrow’s baseball life -- 28 years -- was spent inside the San Francisco Giants’ front office. He joined the Giants prior to the 1994 season and held the titles of special assistant to the general manager, director of player personnel, assistant GM for player personnel, and senior vice president and senior advisor to the GM.

“Our entire organization is heartbroken by the news of Dick’s passing,” said Giants president and CEO Larry Baer. “So much of our success over these past three decades is directly linked to Dick’s contributions. He will be truly missed by all of us, and our thoughts are with Mari Jo and his entire family during this difficult time.”

Tidrow had a gift for evaluating talent but especially pitchers. He led the efforts that went into drafting future All-Stars and champions such as Matt Cain, Tim Lincecum and Madison Bumgarner.

“Dick was a unique and special person whose influence and impact was legendary throughout the game and whose fingerprints are all over our three World Series trophies,” said Giants executive vice president and senior advisor Brian Sabean. “On a personal level, we shared some incredible highs and lows together, and I’m forever grateful for his 40 years of friendship and support.”

Before his tenure with the Giants, Tidrow spent nine seasons as a scout for the Yankees.

A San Francisco native, Tidrow also served in the U.S. Marine Corps from 1968-71. He is survived by his wife, and three children, Andy, Matt and Richelle.

“Dick was truly one of a kind. He is loved and missed beyond measure and irreplaceable in our hearts and lives,” Mari Jo Tidrow said.