He played an important role and became a vital player for AEL during his years with the club, including Larissa's appearances in the UEFA Cup group stages during the 2007–08 season, attracting interest from Greece's bigger teams.

Scored first league goal on 7 October 2007 in Larissa's 3–3 home draw with Levadiakos, followed it with another against Panathinaikos the following month.

He ever-present in club's six-game UEFA Cup run, which included elimination of Blackburn Rovers FC.

[1] He made a positive impact in his first Super League campaign, 2005/06, appearing in 27 of the team's 30 matches, helping them finish eighth a season after promotion.

Olympiakos agreed with Larissa for the acquisition of 22 years' old defender, who will stay in the club till the end of the season.

[3] He played against a vital Champions League qualifier against Arsenal, but in the 75th minute he suffered a minor injury, which led to him being substituted.

The player had also an offer from his former club Larissa, but he preferred to join Panionios having the opportunity to play a key role replacing Giannis Maniatis.

[6] During the winter of 2011-2012 he signed a contract at Koninklijke Sporting Club Lokeren in Belgium after being released from Olympiacos in July 2011.

The former defender of Olympiakos is signed a six-month contract as Lokeren looking to cover the right side of its defense, concluding that Galitsios could be an ideal case.

In terms of efficiency, professionalism and discipline in the game has grown tremendously, in line with club expectations."

However, the Greek right back enjoying interest from Panathinaikos, but Lokeren, however, would require a half million euros for the 27-year-old defender.

[17] On 3 February 2018, in his debut with the club he faced a muscle injury so he had to be replaced in a 0–1 home loss game against Genk.

At the same day, after many years of residence in Belgium, the Greek defender settled all the necessary documents and has acquired the Belgian citizenship.

[21] After getting more actions for Olympiacos in the 2009–10 season, Galitsios was called up on 15 November 2009 by Greece national football team coach Otto Rehhagel for the second leg of the 2010 FIFA World Cup qualification play-offs against Ukraine.