Meanwhile, the Cubs will go with veteran Jon Lester.
The Cubs, dealing with their own injuries, promoted one of their top prospects, Ian Happ, from Triple-A Iowa on Saturday.
The play cost the Cubs in a run a 5-3 loss.
Cubs manager Joe Maddon now has 999 career wins and will try for 1000 wins for his career. Jason Heyward is injured, World Series MVP Ben Zobrist was limited to pinch-hit duty, and former Cardinal Jon Jay experienced back spasms Friday.
Narratives develop over the course of the season, sometimes seasons, whether it is Cardinals hitting being clutch, Cardinals pitching being clutch, bad defense and baserunning, poor managing, can't win on the road, can't win at home-that sort of thing. I scratched through his name on the card and explained it to the umpires and the (Cardinals) what was going on.
Davis was charged with an unearned run when catcher Willson Contreras threw wildly to first after Kolten Wong waved at strike three in the dirt, scoring Randal Grichuk from second. Happ broke the letter of the rule, but the spirit of the rule seems wrong when it calls out a runner that never would have been out under any circumstances. "And our fans travel well to St. Louis, so the noise and the fact we always play them when they're good makes the games more interesting". "Once I saw the scoreboard 96, 95 [mph], I said, 'We're going to use the fastball, ' because they were behind on it".
For Joe Maddon and the Chicago Cubs, the focus Saturday was more on the rules.
During spring training, he had a 3.07 ERA and a 0.95 WHIP in five appearances (14.2 innings). Tommy LaStella also hit a solo homer for Chicago in the seventh inning for a 3-0 lead.
But, he acknowledged, "It was a fun day". He was hitting.298 with nine home runs and 25 RBIs before getting called up.
Friday's announced attendance of 47,601 is the third largest regular season crowd in the 12 year history of Busch Stadium.
Cardinals: Fowler (shoulder) returned to the starting lineup after a six-game stretch during which he had two pitch-hit at bats. Martinez has posted a 2.79 ERA, in his last three starts, and after struggling, over a few starts earlier this season, has looked like the ace that he is.
Between Butler's raw talent, Bosio's no-nonsense approach and a sophisticated game-planning system, the Cubs think they may have found an answer for their 2018 rotation, when Jake Arrieta and John Lackey might be gone. He has 57 strikeouts in 48 2/3 innings over eight starts. May. Butler has not seen much success in his Major League Baseball career, with a record of 6-16, and a 6.50 ERA.
Cardinals: Michael Wacha was supposed to start but was pushed back until next week.