Sports

With some top F1 teams yet to announce 2015 lineups, many drivers left uncertain about future

  • Ferrari driver Fernando Alonso of Spain puts on his sunglasses as he walks on the paddock of the Interlagos circuit in Sao Paulo, Brazil, Thursday, Nov. 6, 2014.  Formula One teams are in Sao Paulo to compete in the 2014 Brazilian Grand Prix, Sunday. (AP Photo/Felipe Dana)

    Ferrari driver Fernando Alonso of Spain puts on his sunglasses as he walks on the paddock of the Interlagos circuit in Sao Paulo, Brazil, Thursday, Nov. 6, 2014. Formula One teams are in Sao Paulo to compete in the 2014 Brazilian Grand Prix, Sunday. (AP Photo/Felipe Dana)  (The Associated Press)

  • McLaren driver Jenson Button of Britain talks to reporters on the paddock of the Interlagos circuit in Sao Paulo, Brazil, Thursday, Nov. 6, 2014.  Formula One teams are in Sao Paulo to compete in the 2014 Brazilian Grand Prix, Sunday. (AP Photo/Felipe Dana)

    McLaren driver Jenson Button of Britain talks to reporters on the paddock of the Interlagos circuit in Sao Paulo, Brazil, Thursday, Nov. 6, 2014. Formula One teams are in Sao Paulo to compete in the 2014 Brazilian Grand Prix, Sunday. (AP Photo/Felipe Dana)  (The Associated Press)

  • A Lotus crew member marks a tire, in the boxes of the Interlagos circuit in Sao Paulo, Brazil, Thursday, Nov. 6, 2014. Formula One teams are in Sao Paulo to compete in the 2014 Brazilian Grand Prix, Sunday. (AP Photo/Felipe Dana)

    A Lotus crew member marks a tire, in the boxes of the Interlagos circuit in Sao Paulo, Brazil, Thursday, Nov. 6, 2014. Formula One teams are in Sao Paulo to compete in the 2014 Brazilian Grand Prix, Sunday. (AP Photo/Felipe Dana)  (The Associated Press)

The fates of former champions Sebastian Vettel, Fernando Alonso and Jenson Button remain in doubt with the Formula One season nearly over and teams holding off on announcing their lineups for 2015.

Speculation about driver moves are not uncommon late in the season, but this time two of the series' greatest stars and some of its biggest teams are involved in the rumors, igniting doubts over much of the grid.

Four-time champion Vettel is leaving Red Bull but hasn't said where he's going, two-time champ Alonso is undecided about whether he will stay at Ferrari, and one-time champ Button still hasn't been told whether he will keep his place at McLaren.

The other drivers yet to secure a seat for next year can only wait.