MLB: Pittsburgh 5, St. Louis 4 (10 inn.)

ST. LOUIS, June 26 (UPI) -- Jose Castillo led off the top of the 10th inning Sunday with his fifth home run to give the Pittsburgh Pirates a 5-4 win over the St. Louis Cardinals.

Jason Bay, who had three hits, slammed a three-run homer and added a solo shot to tie the game in the ninth for Pittsburgh, which won for just the fourth time in 14 games.

Winning pitcher John Grabow improved to 2-0. Jose Mesa, who may be traded, recorded his 19th save.

Loser Al Reyes, who surrendered Castillo's blast, fell to 2-1. Yadier Molina hit a two-run homer and drove in three runs for St. Louis, which has dropped four of its last six games.

Reggie Sanders added a solo homer and Abraham Nunez had three hits for the Cards.