Sunday, October 9th , 1910 | SP Speed Martin has executed his contract year option. | 1B Roger Connor retired from professional baseball. | Friday, August 12th , 1910 | Signed SP Art Nehf to a 1-year contract extension worth a total of $1,300. | Friday, July 29th , 1910 | Signed RP Al Gerheauser to a 1-year contract extension worth a total of $900. | Saturday, July 9th , 1910 | Signed CF Kevin Kiermaier to a 4-year contract extension worth a total of $7,150. | Friday, July 8th , 1910 | Signed LF Vin Campbell to a minor league contract extension. | Signed CF Fred Osborn to a minor league contract extension. | Signed RP Lou Lowdermilk to a minor league contract extension. | Thursday, June 16th , 1910 | Signed C Buster Posey to a 4-year contract extension worth a total of $13,760. | Friday, May 27th , 1910 | Signed SS Monte Ward to a 3-year contract extension worth a total of $4,700. | Wednesday, May 4th , 1910 | 1B Ad Gumbert did not elect for free agency and will remain in the New York organization. | Monday, April 4th , 1910 | LF Fred Mann was designated for assignment and placed on waivers. | LF Fred Mann was designated for assignment and placed on waivers. | Sunday, February 13th , 1910 | Signed free agent 1B Ad Gumbert to a minor league contract with a major league option. | |