... center — Bragg thus renewing the attempt to interpose between our army and Chattanooga, which Thomas had disconcerted by his advance and attack of the previous day. But now Beatty's brigade of Negley 's division, moving from our right center, came into action beside Baird, on our extreme left, checking Breckinridge's advance; and, Baird and Beatty together being still outnumbered and the latter lo...