Cup. Since then, he continued to regain his first team place, forming a centre–back partnership with Davies, as well as, resuming his duties as captain. However, Caldwell was dropped to the substitute bench for the next two matches between 27 November 2012 and 30 November 2012. But he returned to the starting line–up against Wolverhampton Wanderers on 8 December 2012, as the club lost 1–0. Caldwell then started in the first team for the next fifteen matches, as well as, resuming his captain duties. It wasn't until on 19 January 2013 when he scored his second goal of the season, in a 2–2 draw against Brighton & Hove Albion. However in a match against Hull City on 2 March 2013, Caldwell suffered an illness that saw him substituted in the 37th minute, as Birmingham City lost 5–2. However since returning from the illness, he found himself placed on the substitute bench, with Paul Robinson preferred for the rest of the 2012–13 season. Despite this, Caldwell went on to make thirty–eight appearances and scoring two times in all competitions. Toronto FC In May 2013, Birmingham confirmed that they would not be taking up their option to extend Caldwell's contract, and he signed for Canadian club Toronto FC of Major League Soccer on loan for the remaining few weeks of that contract. Caldwell made his debut for the club on 18 May 2013, in the starting eleven at home to the Columbus Crew, and was "bitterly disappointed" by the 1–0 defeat. After his contract expired with Birmingham, he signed a two-and-a-half-season contract with Toronto FC, after helping improve the team's goals-against average from 1.5 to 1.0 goals a game. Caldwell scored his first goal with the club on 3 July 2013 in a 3–3 home draw to Canadian rivals, Montreal Impact. On 13 July 2013, he became Toronto FC's sixth team captain in the franchise's history after incumbent captain Darren O'Dea was transferred to another club. Since joining the club, Caldwell became a first team regular for the rest of the 2013 season. However in a match against Sporting Kansas City on 21 September 2013, he received a straight red card in the 86th minute for a foul on Josh Garner, as Toronto lost 2–1. Despite this, Caldwell went on to make twenty–three appearances and scoring once in all competitions. In December 2013, readers of "Waking the Red", a Toronto news site,