» December 6, 1965: Baltimore sends OF Jackie Brandt and P Darold Knowles to the Phillies for P Jack Baldschun.
» May 6, 1967: Washington's Darold Knowles beats California, 2–0, with the winning margin coming on homers by Bob Chance and Paul Casanova.
» June 5, 1967: Playing his first game for the Senators, Mike Epstein hits a 200 foot drive down the LF line for an inside the park homer, off New York rookie Thad Tillotson. Mickey Mantle breaks a 2–2 tie in the 8th with a homer of Darold Knowles, and New York wins, 4–2.
» May 8, 1971:
The A's trade 1B Don Mincher, P Paul Lindblad, C Frank Fernandez, and cash to the Senators for 1B Mike Epstein and P Darold Knowles. The Nats will sell Fernandez back to the A's in late June, and the A's will trade Frank to the Cubs.
» September 27, 1972: A's relief star Darold Knowles breaks his thumb, costing him a chance to pitch in the World Series. Knowles finishes the season with a 5-1 record, 11 saves, and a 1.36 ERA.
» October 23, 1974: The Cubs trade sweet-swinging Billy Williams, a fixture at Wrigley for 16 years, to the A's for 2B Manny Trillo and pitchers Darold Knowles and Bob Locker.