 Complete the following phrase:  Regular Ligier driver Jacques Laffite was joined by Jean-Pierre Jabouille, a race winner for Renault, for 1981. However, the latter had not yet recovered from injuries sustained in a crash the previous year and so Jean-Pierre Jarier was contracted for the first race of the year in the United States. Both drivers qualified in mid-field, Jarier ahead of Laffite, but failed to finish the race itself. Jabouille tried to drive at the following race in 