[8][9][10][11] In November 2010, La Gazzetta dello Sport reported that Internazionale had agreed a deal with Tallo.

The Roma reserves also won the 2011–12 Coppa Italia Primavera with Tallo contributing one goal against Juventus in the first leg of the finals on 8 March 2012.

In the next match, he replaced Bojan in the second half as Roma trailed 1–2 to Napoli and went on to assist Fábio Simplício for the 2–2 equaliser.

On 22 June 2012, Roma purchased Tallo in a co-ownership deal from Chievo for €1 million on a four-year contract.

[3] In June 2013 Roma signed Tallo outright for an additional €215,000[21] before sending him out on another loan, this time to French club AC Ajaccio.

[24] In September 2017, free agent Tallo joined Primeira Liga side Vitória de Guimarães on a three-year contract.

[26] In February 2018, he faced a disciplinary process from his club after he reacted with obscene gestures to insults and alleged racist abuse by supporters during a 5–0 defeat to Braga.

Tallo argued, that the termination of contract with Vitória was due to "non-payment" of his salaries, stating that "he was not the only one to go through the same situation."

On 13 January 2022, Tallo was loaned out to Turkish TFF First League club Samsunspor for the rest of the season.

[32] Tallo played for the Ivory Coast in the qualification for 2011 U20 African Cup of Nations against Tanzania (twice, also his debut).