 Complete the following phrase:  After two years in the reserves, Kelsey made his first-team debut against Charlton Athletic on 24 February 1951 at Highbury, after Swindin had received an injury; However, Kelseys first start was not an auspicious one, as Arsenal lost 52, their heaviest defeat at home since November 1928. Kelsey made a total of four appearances that season, but was dropped once Swindin returned and did not feature in Arsenals 195152 run to the 