Developing high school catchers tends to take time, and that certainly has been true with Jansen, a Wisconsin prep who signed for $100,000 as a 16th-round pick in 2013. A broken bone in Jansen's left hand wiped out much of his first full season, and a broken hamate bone in the same hand cost him a portion of 2016, but he finally rewarded the Blue Jays' patience the following year with a breakout campaign in which he reached Triple-A. He built on that success again in 2018, putting up strong numbers in Triple-A to earn a SiriusXM All-Star Futures Game selection and, roughly a month later, a callup to the Major Leagues, where he posted a .779 OPS with three homers in 31 games.
Jansen's projection as an above-average hitter is fueled by his knack for making line-drive contact, a product of a level swing that stays in the zone for an extended period of time. He also provides value through his on-base skills, having long exhibited a discerning eye and overall feel for controlling the strike zone. He cleared more fences in 2018, totaling a career-high 15 homers between Triple-A and Toronto, although his power plays almost exclusively to his pull side.
An athletic defender with good blocking technique, Jansen also has made significant gains with his receiving and framing in the last two years. And while his catch-and-throw skills remain fringy -- he threw out just five of 33 (15.2 percent) attempted basestealers, with an average pop-time of 2.08 seconds, in his first taste of the Majors -- Jansen's offensive-minded profile has him positioned to compete for an everyday role in 2019.
Statcast - Batting
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Toronto Blue Jays recalled C Danny Jansen from Buffalo Bisons.
Buffalo Bisons activated C Danny Jansen from the temporarily inactive list.
Buffalo Bisons placed C Danny Jansen on the temporarily inactive list.
Toronto Blue Jays optioned C Danny Jansen to Buffalo Bisons.
Toronto Blue Jays selected the contract of Danny Jansen from Buffalo Bisons.
C Danny Jansen assigned to Buffalo Bisons from New Hampshire Fisher Cats.
C Danny Jansen assigned to New Hampshire Fisher Cats from Dunedin Blue Jays.
C Danny Jansen assigned to Dunedin Blue Jays.
C Danny Jansen assigned to Toronto Blue Jays.
Dunedin Blue Jays activated C Danny Jansen from the 7-day disabled list.
Dunedin Blue Jays sent C Danny Jansen on a rehab assignment to GCL Blue Jays.
Dunedin Blue Jays placed C Danny Jansen on the 7-day disabled list.
C Danny Jansen assigned to Dunedin Blue Jays from Lansing Lugnuts.
Toronto Blue Jays invited non-roster C Danny Jansen to spring training.
Lansing Lugnuts activated C Danny Jansen from the 7-day disabled list.
Lansing Lugnuts sent C Danny Jansen on a rehab assignment to GCL Blue Jays.
Lansing Lugnuts placed C Danny Jansen on the 7-day disabled list.
C Danny Jansen assigned to Lansing Lugnuts from Bluefield Blue Jays.
C Dan Jansen assigned to Bluefield Blue Jays from GCL Blue Jays.