Nicholas Lindsay became the second Toronto FC Academy graduate to sign for the senior team on September 15, 2010.
His first senior team appearance however, came on June 2, 2010, when he was eligible to play in the Nutrilite Canadian Championship. Lindsay was a halftime substitute, helping Toronto to secure a scoreless draw against Vancouver on route to the Reds lifting their second consecutive NCC title.
On June 29, 2010, Lindsay turned heads scoring a hat-trick against Chilean powerhouse Colo Colo in a Toronto FC Academy exhibition match.
Lindsay's CONCACAF Champions League debut came against Salt Lake on the evening of his official promotion to the senior team.
His Major League Soccer debut was on October 2, 2010 against Seattle, where he set up a late goal in a 3-2 loss.