![The Z Files: Winning Tendencies, Part Four](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/r3fu8ansmnkjklobhjcl.jpg)
Todd Zola continues his breakdown of last year's NFBC Main Event rosters and explains why he thinks Christian Yelich showed up on so few league-winning squads.
![The Z Files: Is Average Exit Velocity on Groundballs Useful?](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/e2whmxzwhkwmhrcdzqum.jpg)
Todd Zola dives into the weeds on how the average exit velocity on groundballs impacts BABIP while also looking at other factors, such as the elite sprint speed of players like Trea Turner.
![The Z Files: Top 50 Outfielders, Part Two](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/si9cyju0xyrossihnqsz.jpg)
Todd Zola finishes his initial outfield rankings and finds a virtual dead heat at the top of the list, with Ronald Acuna Jr. one of the trio of studs in the mix for the No. 1 spot.
![Games Played By Position: 2020 Eligibility Notes](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/azhfyjlloxgwy0oxv7j9.jpg)
Clay Link looks at appearances by position and makes note of multi-position eligibility and lost eligibility for 2020.
![Collette Calls: September Stats](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/cllfab4ka2tmgt1wzote.jpg)
Jason Collette looks at what recent history tells us about each counting category in September. Is Nelson Cruz a good bet for 10 homers in the month?
![FanDuel MLB: Friday Breakdown](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/o09dpmfyht1mmchbercf.jpg)
Adam Zdroik recommends a Rays stack -- featuring Tommy Pham -- against Daniel Norris and the Tigers on Friday.
![DraftKings MLB: Tuesday Picks](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/ssglagp8p1x2njqxzhgq.jpg)
Adam Zdroik tees up Tuesday's slate, recommending Cody Bellinger as part of a Dodgers stack at home against the Angels.
![PrizePicks MLB: Friday Picks](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/fyfnkuncydnfalazfo2s.jpg)
Vlad Guerrero Jr. has turned the corner, smashing five homers in his past 11 games. Given Guerrero's current hot streak and modest projection, Mike Barner is targeting the Over on PrizePicks.
![The Z Files: Early Playing Time Beneficiaries](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/p38yx6gv3h0uhqeopx9k.jpg)
Todd Zola looks at players who are well ahead of their preseason playing time projections and doesn't think Luke Voit is coming out of the Yankees' lineup any time soon.
![Rounding Third: Using RotoWire’s New Stats Tools](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/ssdsp2isv374qethlw5g.jpg)
Jose Peraza's strikeout rate has skyrocketed, and he hasn't walked yet this season. Jeff Erickson shows how to find that and more on RotoWire's Plate Discipline Changes, one of the site's new features for 2019.
![DraftKings MLB: Sunday Picks](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/c80ik09yof6frxbpsdbe.jpg)
Jose Berrios has looked strong to start this season, so Mike Barner doesn't hesitate to offer him up against the weak-hitting Tigers.
![Spring Training Job Battles: Final Update](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/ilckca5owppmxw91ciag.jpg)
On the eve of Opening Day, Erik Halterman runs down the list of winners and losers in his final Job Battles update.
![NL FAAB Factor: Waiver Pickups of the Week](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/eopktjzdmtcnzoq5hzys.jpg)
Jan Levine kicks off the 2019 NL FAAB festivities with a thorough look at possible options, including an intriguing battle for bullpen supremacy in Arizona.
![Spring Training Job Battles: Nearing the Finish Line](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/ggnngvvefizeqj15sbyt.jpg)
Erik Halterman checks in on all of the relevant job battles around Major League Baseball as spring training winds down.
![Spring Training Job Battles: Past the Halfway Point](https://res.cloudinary.com/rotowire/image/upload/ar_16:6,c_fill,dpr_auto,f_auto,g_auto:custom_no_override,q_auto,w_auto/hqcdavqm6otfkefcztrd.jpg)
Erik Halterman provides a mid-March update on all the relevant job battles around Major League Baseball.