DALLAS — Milestone baseballs slugged by Jimmie Foxx, Willie Mays and Reggie Jackson will be part of a sale being organized by Heritage Auctions. The sale will be held Feb. 25-26. The 1935 Foxx-signed ball was his 33rd of the season, No. 299 of his career. Mays’ signed ball, No. 50 of the ’65 season was career No. 503; and Jackson’s 10th of the ’85 season was his 513rd of his career.