San Francisco Giants: What Can We Expect from Jimmy Rollins?

Jun 5, 2016; Detroit, MI, USA; Chicago White Sox designated hitter Jimmy Rollins (7) hits a double in the fifth inning against the Detroit Tigers at Comerica Park. Mandatory Credit: Rick Osentoski-USA TODAY Sports
Jun 5, 2016; Detroit, MI, USA; Chicago White Sox designated hitter Jimmy Rollins (7) hits a double in the fifth inning against the Detroit Tigers at Comerica Park. Mandatory Credit: Rick Osentoski-USA TODAY Sports /
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Rick Osentoski-USA TODAY Sports
Rick Osentoski-USA TODAY Sports /

The San Francisco Giants have signed shortstop Jimmy Rollins to a minor league deal. What type of performance can we expect?

Just yesterday, the San Francisco Giants signed shortstop Jimmy Rollins to a minor league deal. As our own Matt Veasey wrote yesterday, the contract will allow him to compete for a backup role in the major leagues during spring training as a non-roster player. If he makes the team out of spring training, he will earn $1 million over the course of the season.

Whether or not Rollins can earn a job with San Francisco Giants is a serious question. He will have to beat out Kelby Tomlinson and Ehire Adrianza in order to start the season in San Francisco. Achieving this would be no small feat considering the age gap between the players. Tomlinson and Adrianza are 26 and 27 years old, respectively. Rollins, on the other hand, just turned 38 last month.

Tomlinson and Adrianza may not necessarily be top prospects, and they are probably not future superstars. Nevertheless, encountering a backup-level performance by relatively young players would be less surprising than finding such a showing from a 17-year veteran whom the Chicago White Sox released. Yes, Rollins’ output last season was so poor that even the Chicago White Sox wanted to go another way.

Once spring training begins, the San Francisco Giants will have to determine whether or not Rollins brings enough value to the table to justify demoting either of the two current backups. Given that Tomlinson and Adrianza have been semi-productive players over the past few years, this is probably unlikely. Tomlinson has been the better player of the two, but he is not exactly a proven option at shortstop.

Further complicating the matter, Adrianza is a switch-hitter and more experienced in general. If Rollins were to somehow show in spring training that he is a better batter and shortstop than Adrianza, then it is entirely possible that the San Francisco Giants go with a Rollins-Tomlinson tandem for backups. Rollins is also a switch-hitter, so losing that aspect of Adrianza would be less damaging.

Now that we have established a way for Rollins to make the big leagues, let’s examine what we can expect from him next year. For the sake of discussion, let’s also assume that he wins the spring training battle against Adrianza and focus on predicting regular season results. While this victory for Rollins is far from given, the tiny sample size of spring training means that predicting statistics in that window has less to do with skill and more with luck (more on this here at The Economist from 2015). Odds are that the San Francisco Giants recognize this and will instead focus on scouting reports and fundamentals, rendering numerical predictions useless.

To get an idea of what production we can expect from Jimmy Rollins, let’s look at what he has done for the past few seasons. Since the start of 2014, Jimmy Rollins has appeared in 323 games. Over that time, he experienced a sizable decrease in production.

Noah K. Murray-USA TODAY Sports
Noah K. Murray-USA TODAY Sports /

His 2014 season, then with the Philadelphia Phillies, was quite good. Despite a .243 batting average, he slugged 17 home runs and swiped 28 bags. He also walked more than 10 percent of the time and displayed above-average defense. FanGraphs rated his season at 3.9 wins above replacement – a lofty figure for any shortstop, especially one who was 35 years old at the time.

The success prompted the rebuilding Phillies to search for a potential trading partner, and they found one in the Los Angeles Dodgers. That season saw him bat a career-worst .224, although he did manage to hit for decent power. His defense and base running decayed, and he eventually lost his starting job to Corey Seager in September. In just about a year, he went from being an All-Star caliber player to roughly replacement level.

Things only got worse last year with the Chicago White Sox. He only survived 41 games before the Sox axed him, and his offensive statistics went from bad to terrible. Not only did the outcomes worsen, but his contact rates continued their slide from elite to average. Rollins also started swinging at more pitches outside the strike zone. With leadership as his only real asset, it did not make much sense for the White Sox to allow him to capture any more at-bats.

Continue reading for more concrete predictions for Jimmy Rollins…