So, should you choose Witt Jr. or Seager (9/28/24)?
Batter vs pitcher
Seager has faced Canning 14 times, with a total OPS of .884. Conversely, Witt Jr. only has 3 plate appearances against Lopez. Since Seager has good matchup numbers today, lean towards him.
Weather impact
Heavy wind (blowing out), hot temps, ballpark elevation, etc can all have a big impact on long fly balls. An extra few feet can be the difference between warning track and a 3-run dinger. In Witt Jr.'s game, our HRForce Index at first pitch is 1.2 (20% more HRs expected). Meanwhile, Seager will be playing under an HRForce of 1.4 (40% more HRs expected). So, long flies will travel a bit further in Seager's game. Weather edge goes to him.
Weekly Roster Lock Leagues
For those of you in leagues that require you to set your lineup before the start of each week, day offs can be a bummer. Everything else being equal, give the edge to players that play at least one more game a week. For the M-F week that includes 9/28/24, Witt Jr. has 6 games scheduled, while Seager has 6. With the same number of games, they roughly carry the same potential value for the week.