» September 13, 1901: The Baltimore Orioles edge the A's, 12-10. In the 9th, the A's have the tying runs on base with two out when Connie Mack sends up pinch hitter Doc Powers to bat for Nap Lajoie, who was sulking and refused to hit. Powers flies out to end the game.
» July 13, 1905: The Philadelphia A's "sell" catcher Mike "Doc" Powers to the New York Highlanders. Powers will be sold back to the A's on August 7. As noted by Lyle Spatz, Powers was needed to replace back up C Red Kleinow, injured yesterday in a game with Detroit. Powers will play mainly at 1B, replacing Hal Chase whose nose was broken in the Detroit game.
» August 4, 1905: The Highlanders field a unique battery: Doc Newton pitching and Mike "Doc" Powers catching, but only Powers is a physician. The Highlanders beat St. Louis, 7–3.
» April 12, 1909:
Philadelphia's Shibe Park is dedicated as a record crowd of 31,160 sees 18-year-old John "Stuffy" McInnis make his ML debut at SS. Eddie Plank pitches the A's to an 8-1 win over Boston, allowing six hits. A's catcher Mike "Doc" Powers injures himself going after a foul pop, and after the game complains of intestinal pains (other versions have the pain due to a sandwich or twisting himself in an unusual fashion). The 38-year-old will be operated on tomorrow, but will not survive the month, the first ML death this century caused by an on-field injury.
» April 26, 1909: A's popular C Doc Powers dies at the age of 38. He developed intestinal problems sustained when he ran into a wall during the Shibe Park opener on April 12th.