» September 14, 1951: Browns rookie Bob Nieman hits two home runs in his first two ML at bats, a record unequaled. They come against Mickey McDermott of the Red Sox, but Boston still wins 9–6. Boston has homers by Dom DiMaggio, Ted Williams, and Walt Dropo.
» December 4, 1952: Detroit trades P Virgil Trucks, who tossed two no-hitters during the year, along with P Hal White and OF Johnny Groth, to the Browns in exchange for 2B Owen Friend, OF Bob Nieman, and OF/C J.W. Porter.
» December 6, 1954: The Tigers trade 1B Walt Dropo with P Ted Gray and OF Bob Nieman to the White Sox for 1B Ferris Fain and Jack Phillips.
» May 21, 1956: The White Sox send 3B George Kell, OF Bob Nieman, and pitchers Mike Fornieles and Connie Johnson to the Orioles for P Jim Wilson and OF Dave Philley. Kell will play solid 3B until Brooks Robinson is ready, while Johnson will lead the Birds' starters in wins in 1957.
» June 2, 1958: Brooks Robinson, in a 2–1 Orioles loss to the Washington Senators, hits into the first triple play of a record four of his career. The Birds also lose hot-hitting Bob Nieman who, while standing on 3B, is hit by a line drive off the bat of Bob Boyd. It will slow him for two months.
» July 23, 1964: A's rookie Bert Campaneris sends Minnesota to defeat 4–3 with two home runs in his ML debut. The first comes on the first pitch thrown to him, by Jim Kaat, just the 2nd American League player to debut like that. And the 21-year-old Cuban joins Bob Nieman as the only player since 1900 with two home runs in his first ML game.
» September 14, 1999:
The Royals lose a doubleheader to the Angels, 8-6 in the opener and 6-5 in the nightcap. In the second game, KC OF Mark Quinn makes a memorable major league debut. After making out in his 1st trip to the plate, Quinn doubles in his next at bat, then hits homers in his last two times up. He becomes just the 3rd player in history to hit two home runs in his 1st big league game. Bob Nieman (1951) and Bert Campaneris (1964) are the only others to accomplish the feat.
» July 6, 2000:
The Reds defeat the Cardinals, 12-6. St. Louis rookie C Keith McDonald homers in the 2nd inning, becoming only the 2nd person in major league history to hit home runs in each of his 1st two big league at bats. Bob Nieman, in 1951, is the other. McDonald walks his 3rd time up.