Mike Hellawell

On 23 January 1965, Hellawell signed for Sunderland for a fee reported as around £30,000. [ 27 ] He made an eventful start: on his debut, against Blackpool he suffered double vision and a broken nose. During the second half of the next match, at Sheffield Wednesday , he developed a headache. He left to go home, but was found in the street in a confused state, spent the weekend in a local hospital, [ 28 ] and declared himself unfit for the next match. [ 29 ] He played regularly for the rest of the season and scored twice. [ 5 ] Substitution was first permitted by the Football League in the 1965–66 season . Hellawell was left out of Sunderland's starting eleven for their first match of that season by new manager Ian McColl , but was named as substitute. [ 30 ] He remained unused, and two weeks later he became the first Sunderland player to be substituted, when he was injured early in the second half of the visit to Aston Villa and replaced by Allan Gauden . [ 2 ] [ 31 ] He started in two-thirds of Sunderland's league matches, scored once, [ 5 ] played once in the first few weeks of the 1966–67 season, [ 5 ] and was placed on the transfer list on 7 September. [ 32 ] — Wikipedia