[9] Hornsby had played 155 games at second base in the 1927 season, but he was traded by the Giants to the Boston Braves in January 1928, freeing up a slot for Cohen.
[16] With the Mayor of New York City, Jimmy Walker, on hand to throw out the first ball at the 1928 Opening Day game, Cohen led the Giants to a 5–3 victory over the Boston Braves, hitting two singles and a double, knocking in two runs, and scoring two.
[8] The Giants played on his success on the field, with vendors selling "Ice Cream Cohens" in the concession stands at the Polo Grounds.
[5][18] The Los Angeles Times called the Giants' promotion of Cohen one of "the most efficient job of ballyhoo that has been performed in the sport industry..."[19] Time magazine noted his popularity, reporting on a note from an adoring fan that read "I understand you are Jewish and single... if you would care to meet a brunette...
[20] He was part of a vaudeville act, telling jokes and singing parodies with Shanty Hogan, an Irish teammate from the Giants who played catcher for the team.
McGraw told Cohen that he would be called back up to the majors, and that day he broke his leg, never to play in the big leagues again.
[23] Despite the leg injury, Cohen led all International League second baseman in 1931 with a fielding percentage of .985, with 11 errors in 323 putouts and 412 assists, in addition to 66 double plays.
Cohen managed the Denver Bears, then of the Western League, from 1951 to 1954, leading the team to a championship in his final season.
After manager Eddie Sawyer stepped down after losing the first game of the season, the Phillies hired Gene Mauch as his replacement, but had Cohen manage one game before Mauch could join the team, leading the Phillies to a 5–4 win in ten innings over the Milwaukee Braves.
[5] Cohen died 4 days after his 84th birthday and 6 months after his brother Syd in El Paso, Texas on October 29, 1988.