Ex-F1 racer Pizzonia has scored one point in five races in the F1 feeder series while fellow former F1 driver Timo Glock leads the championship.
Viso was Glock’s team mate at iSport last year and finished the season sixth with two victories.
Related links: Does GP2 have too many ex-F1 drivers?
External links: All change as testing begins (gp2series.com)
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